Weil-McLain Boiler User Manual

EG

•

PEG

•

EGH

Gas-Fired Boilers – Series 4

Control supplement – Universal control systems

For additional information, refer to . . .

EG• PEG • EGH Boiler manual

for Natural or Propane gas

(tankless heater application optional)

This supplement must only be used by a qualified heating installer/service technician. Before installing, read all

instructions, including this supplement, the boiler manual and any related documents. Perform steps in the order given.
Failure to comply could result in severe personal injury, death or substantial property damage.

Part Number 550-110-646/0607

EG • PEG • EGH Series 4

Please read this page first!

Hazard definitions

The following defined terms are used throughout these instructions to bring attention to the
presence of hazards of various risk levels or to important information concerning the life of
the product.

Indicates presence of hazards that will cause severe personal injury, death or

substantial property damage.

Indicates presence of hazards that can cause severe personal injury, death or

substantial property damage.

Indicates presence of hazards that will or can cause minor personal injury or

property damage.

Indicates special instructions on installation, operation or maintenance that are

important but not related to personal injury or property damage.

Note to the installer

Controls must only be installed by a Weil-McLain distributor or other qualified

installer/service technician in accordance with this Supplement and all applicable
codes and requirements of the authority having jurisdiction. Read this Control
Supplement completely before beginning the installation. If the information
in this Supplement is not followed exactly, a fire, explosion, carbon monoxide
emission or other hazardous conditions can result, causing severe personal injury,
death or substantial property damage.

This system is used on gas-fired boilers without vent dampers as shipped from

the factory. This system is not offered for retrofit. Any attempt to apply the system
components to boilers shipped for use with a different control system will not
be covered under boiler warranty and can cause severe personal injury, death or
substantial property damage.

When calling or writing about the boiler, please have the boiler model number

from the boiler rating label and the CP number from the boiler jacket.

2

Part Number 550-110-646/0607

Universal control systems — Control supplement

Table of contents

Hazard definitions and Note to the installer ....................................................................................2

Control installation — EG-30 through EG-75 water boilers without tankless heaters ............ 4-5

Control installation — EG-30 through EG-75 water boilers with tankless heaters .................. 6-7

Control installation — EG and PEG steam boilers with probe-type low water cutoff ............. 8-9

Control installation — EG steam boilers with float-type low water cutoff ............................ 10-11

Control installation — EGH water boilers without tankless heaters ..................................... 12-13

Control installation — EGH water boilers with tankless heaters ........................................... 14-15

Control installation — EGH steam boilers with probe-type low water cut-off ..................... 16-17

Control installation — EGH steam boilers with float-type low water cut-off ....................... 18-19

Damper installation .......................................................................................................................... 20

Checkout procedure ........................................................................................................................21

Operating instructions ............................................................................................................... 22-26

Troubleshooting .......................................................................................................................... 27-31

Replacement parts ...........................................................................................................................32

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

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Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation

EG-30 through EG-75 water boilers without tankless heaters

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 1 EG-30 through EG-75 water boilers without tankless heaters

1. Mount and wire controls per wiring diagram, page 4, and Figure 1.

a. Attach junction box inside left jacket panel with #8-32 x ½” machine screws

provided.

b.

Install transformer with plug-in relay receptacle and relay.

c. Operating and limit circuit wiring must be 18 gauge or heavier.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

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Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation continued

EG-30 through EG-75 water boilers with tankless heaters

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 2 EG-30 through EG-75 water boilers with tankless heaters

1. Mount and wire controls per wiring diagram, page 6, and Figure 2.

a. Install combination limit control and relay in tapping. See Boiler Manual

control tapping table. Operating and limit circuit wiring must be 14 gauge
or heavier.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

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Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation continued

EG and PEG steam boilers with probe-type low water cut-off

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 3 EG and PEG steam boilers with probe-type low water cut-off

1. Mount and wire controls per wiring diagram, page 8, and Figure 3.

a. Attach junction box inside left jacket panel with #8-32 x ½” machine screws

provided.

b.

Install transformer with plug-in relay receptacle and relay.

c. Operating and limit circuit wiring must be 18 gauge or heavier.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

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Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation continued

EG steam boilers with float-type low water cut-off

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 4 EG steam boilers with float-type low water cut-off

1. Mount and wire controls per wiring diagram, page 10, and Figure 4.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

a. Attach junction box inside left jacket panel with #8-32 x ½” machine screws

provided.

b.

Install transformer with plug-in relay receptacle and relay.

c. Operating and limit circuit wiring must be 18 gauge or heavier.

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

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Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation continued

EGH water boilers without tankless heaters

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 5 EGH water boilers without tankless heaters

1. Mount and wire controls per wiring diagram, page 12, and Figure 5.

a. Attach junction box inside left jacket panel with #8-32 x ½” machine screws

provided.

b.

Install transformer with plug-in relay receptacle and relay.

c. Operating and limit circuit wiring must be 18 gauge or heavier.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

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Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation continued

EGH water boilers with tankless heaters

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 6 EGH water boilers with tankless heaters

1. Mount and wire controls per wiring diagram, page 14, and Figure 6.

a. Install combination limit control and relay in tapping. See Boiler Manual

control tapping table. Operating and limit circuit wiring must be 14 gauge
or heavier.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

16

Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation continued

EGH steam boilers with probe-type low water cut-off

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 7 EGH steam boilers with probe-type low water cut-off

1. Mount and wire controls per wiring diagram, page 16, and Figure 7.

a. Attach junction box inside left jacket panel with #8-32 x ½” machine screws

b.

Install transformer with plug-in relay receptacle and relay.

c. Operating and limit circuit wiring must be 18 gauge or heavier.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

provided.

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4 — Universal control systems — Control Supplement

18

Part Number 550-110-646/0607

Universal control systems — Control supplement

Control installation continued

EGH steam boilers with float-type low water cut-off

For your safety, turn off electrical power

supply and turn off external gas supply
valve before attempting to work on the
boiler. Failure to comply can cause severe
personal injury, death or substantial prop­erty damage.

Figure 8 EGH steam boilers with float-type low water cut-off

1. Mount and wire controls per wiring diagram, page 18, and Figure 8.

a. Attach junction box inside left jacket panel with #8-32 x ½” machine screws

b.
c. Operating and limit circuit wiring must be 18 gauge or heavier.

2. Bring supply wiring to boiler. Must be 14 gauge or heavier.

3. Proceed to page 20.

provided.

Install transformer with plug-in relay receptacle and relay.

Part Number 550-110-646/0607

19

EG • PEG • EGH Series 4

Damper installation

If not installing a vent damper, proceed to page 21.

Once damper is installed, boiler will not operate without a

damper installed.

Only dampers listed in the Replacement parts table on page 32

are approved for use on EG-30 through EG-75 Series 4 and
PEG-30 through PEG-65 Series 4 using Universal Control
Systems. Any other vent damper installed could cause severe
personal injury or death.

The following boiler models must have
damper installed:

• EG-30 through EG-65, natural or propane gas.

• PEG-30 through PEG-65, steam, natural gas.

The following boiler models may have damper
installed:

• EG-75 and EGH-85 through EGH-125, natural or propane
gas.

Minimum clearances to combustibles

Provide a minimum of 6” between the vent damper and any combustible
material. (Provide a minimum of 46” between jacket top and combustible
ceiling for EG/PEG, or 24” for EGH.) See EG • PEG • EGH Boiler manual
for complete clearance requirements.

Figure 9 Vent damper assemblies

Figure 10 Vent damper harness plug warning label

Installation

Damper must be installed directly on top of draft hood so

that it serves only that boiler. Do not modify draft hood or
damper, or make another connection between draft hood and
damper or boiler except as noted below. This will void CSA
certification and will not be covered by Weil-McLain war­ranty. Any changes will cause severe personal injury, death,
or substantial property damage.

1. Install plug (packed in damper carton of 4” through 8” dampers) in

hole in damper blade.

2. Install vent damper horizontally or vertically as shown in vent damper

manufacturer’s instructions. Vent damper must be installed so that it
serves only one boiler and so damper blade indicator is visible to the
user. See Figure 9.

3. Screws or rivets used to secure the vent damper to the draft hood must

not interfere with rotation of the damper blade.

4. Install damper harness between damper actuator and knockout in jacket

top panel. Use strain relief connectors and locknuts to secure both ends
of the damper harness.

Keep wiring harness clear of all hot surfaces.

20

5. Read and apply the harness plug warning label
(Figure 10) so that it is visible after installation.

6. Plug damper harness receptacle into damper harness
plug.

Bypassing (jumpering) vent damper will

cause flue products such as carbon mon­oxide to escape into the house. This will
cause severe personal injury or death.

After boiler has operated once, if either

end of the harness is disconnected, the
system safety shutdown will occur. The
boiler will not operate until harness is
reconnected.

Effikal or Field Controls damper — Damp-

er hold open switch must be in “Automatic
Operation” position for system to operate
properly.

Part Number 550-110-646/0607

Universal control systems — Control supplement

Boilers with
United Technologies
Ignition control

(control load of 0.10 amps is
included in the values at right)

Gas valve Without

damper

(amps)

With

Effikal

damper

(amps)

With

Johnson

damper

(amps)

Honeywell VR8200 0.60 0.70 0.80

Honeywell VR8300 0.80 0.90 1.00

Robertshaw 7200ER 0.50 0.60 0.70

Robertshaw 7000ERHC 0.80 0.90 1.00

White-Rodgers 36E 0.40 0.50 0.60

White-Rodgers 36C 0.70 0.80 0.90

Boilers with
Honeywell
Ignition control

(control load of 0.20 amps is
included in the values at right)

Gas valve Without

damper

(amps)

With

Effikal

damper

(amps)

With

Johnson

damper

(amps)

Honeywell VR8200 0.70 0.80 0.90

Honeywell VR8300 0.90 1.00 1.10

Robertshaw 7200ER 0.60 0.70 0.80

Robertshaw 7000ERHC 0.90 1.00 1.10

White-Rodgers 36E 0.50 0.60 0.70

White-Rodgers 36C 0.80 0.90 1.00

Checkout procedure

1. See pages 22–26 for “Operating instructions.”

2. Raise room thermostat to call for heat. Damper actuator will slowly open damper.

3. When damper is fully open, main gas valve will open and main burners will ignite.

Damper must be fully open before main burners light. If damper does not fully

open, flue products will escape into house, causing severe personal injury or
death.

4. Lower thermostat setting. Main burner flames will go out, then damper will close.

5. Repeat steps 1 through 3 several times to verify operation.

6. Return thermostat to normal setting.

Room thermostat anticipator settings

Water without tankless heater — 0.40 amps

Water with tankless heater — 0.20 amps

Steam — Select based on gas valve and damper. See table below.

Part Number 550-110-646/0607

21

EG • PEG • EGH Series 4

Operating instructions – EG and PEG with

Honeywell VR8204/VR8304 gas valve

22

Part Number 550-110-646/0607

Universal control systems — Control supplement

Operating instructions – EG/PEG-30 through EG/PEG-50 with

White-Rodgers 36E gas valve

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4

Operating instructions – EG/PEG-30 through EG/PEG-50 with

Robertshaw 7200 gas valve

24

Part Number 550-110-646/0607

Universal control systems — Control supplement

Operating instructions – EG/PEG-55, EG/PEG-65, EG-75 with

White-Rodgers 36C gas valve

Part Number 550-110-646/0607

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EG • PEG • EGH Series 4

Operating instructions – EGH with

Robertshaw 7000DERHC gas valve

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Part Number 550-110-646/0607

Universal control systems — Control supplement

Troubleshooting

Burner access panel must be in posi-

tion during boiler operation to prevent
momentary flame rollout on ignition of
main flame. Severe personal injury or
substantial property damage will result.

Never jumper (bypass) any device ex-

cept for momentary testing as outlined
in Troubleshooting Charts. Substantial
property damage and/or severe personal
injury could occur.

Label all wires prior to disconnection

when servicing controls. Wiring errors
can cause improper and dangerous opera­tion.

Verify proper operation after servicing. See

vent damper manufacturer’s instructions
packed with vent damper for additional
information. Failure to comply could
result in severe personal injury, death or
substantial property damage.

Before troubleshooting

1. Have a voltmeter that can check 120 VAC, 24 VAC,
and a continuity tester.

2. Check for 120 VAC (minimum 102 to maximum

132) to boiler.

3. Make sure thermostat is calling for heat and contacts
(including appropriate zone controls) are closed.
Check for 24VAC between thermostat wire nuts and
ground.

In event of vent damper failure:

Effikal or Field Controls vent damper

If troubleshooting chart recommends replacing actuator and actuator is
not immediately available, damper blade can be fixed in an open position
to allow boiler operation. Manually turning blade can cause actuator

damage

actuator malfunction.

1. Move damper service switch to Hold Damper Open position. Apply call

2. If step 1 does not open damper, manually rotate damper blade to open

3. Do not leave vent damper permanently in this position. Replace actua-

Johnson Controls vent damper

If troubleshooting chart recommends replacing actuator and actuator is
not immediately available, damper blade can be fixed in an open position
to allow boiler operation. Follow these instructions only in case of no heat
or damper actuator malfunction. See Figure 11.

1. Turn off power to boiler.

2. Refer to vent damper manufacturer’s instructions for procedure to fix

3. Turn on power to boiler.

4. Using wrench or pliers on flat shaft section, manually rotate damper

5. Do not leave vent damper permanently in this position. Replace

. Follow these instructions only in case of no heat or damper

for heat to boiler. Damper blade should then rotate to open position
and boiler will fire.

position using wrench or pliers on flat shaft between damper and actua­tor. Boiler will fire. Verify that damper service switch is in Hold Damper
Open position (Figure 11).

tor immediately. If vent damper is left in open position, boiler will not
operate at published efficiencies.

Failure to turn off power to boiler can result in severe personal

injury, death or substantial property damage.

vent damper in open position.

blade until green light turns on. Boiler will fire (Figure 11).

actuator immediately. If vent damper is left in open position, boiler will
not operate at published efficiencies.

Part Number 550-110-646/0607

Figure 11 Manually opening vent damper

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EG • PEG • EGH Series 4

Troubleshooting continued

CHART 1: NO SPARK — System does not work — Without vent damper

VISUALLY CHECK - is ground wire connected from
“GND (Burner)” to ignition control mounting screw;
and ground wire connected from transformer
Terminal “C” to case ground?

Correct by making connections.

N

Is 24VAC present across Terminals 24V & 24V(GND)?

No Yes

o Y

es

Is the vent damper
plug in place?

No Yes

Check for open thermostat or circulator relay
(where used) or check for loose wire con­nections, defective spill switch or rollout
thermal fuse element, or open LWCO or limit
contacts.

If LWCO, spill switch or rollout

thermal fuse element contacts
are open, determine cause and correct con­dition. Failure to do so will cause severe per­sonal injury, death, or substantial property
damage.

Replace ignition control.

Securely connect, then turn ON supply voltage and re-test.

Replace pilot assembly.

Replace damper
plug and retest.

Open thermostat contacts for 15 seconds. Close thermo­stat contacts - is 24 VAC across terminals PV & MV/PV?

No Yes

Turn OFF supply voltage.

Check spark wire. Is it securely connected
to spark transformer?

No Y

Is condition of spark wire good (not cut,
brittle, burned, or cracked)?

No Y

es

es

Is spark gap 0.125” and located in pilot gas steam?

No Yes

Replace pilot assembly, turn ON supply
voltage, operate system several complete
heat cycles.

28

Is spark electrode ceramic cracked?

No Yes

Replace pilot assembly, turn ON supply
voltage, operate system several complete
heat cycles.

Replace ignition control.

Part Number 550-110-646/0607

Universal control systems — Control supplement

Troubleshooting continued

CHART 2: NO SPARK — System does not work — With vent damper

Is damper harness securely plugged in at both
ends?

Secure connections.

Check for loose wire connections
or bad relay on transformer.

No Y

Is 24VAC present across terminals C and Y on
transformer?

No Y

es

es

Check for open thermostat or circ. relay (where used) or check for
loose wire connections, defective spill switch or rollout thermal fuse
element, or open LWCO or high limit contacts.

If LWCO, spill switch or rollout thermal fuse element

condition. Failure to do so will cause severe personal injury, death,
or substantial property damage.

Is 24VAC present across terminals PV
and MV/PV?

No Y

Check continuity of each wire in wiring
harness to damper. Does continuity exist
for each wire?

N

Replace damper
wiring harness.

contacts are open, determine cause and correct

Check for out of round stack section.
Does motor rotate open?

Replace actuator.

o Y

Remove damper harness from boiler
wiring harness. TEMPORARILY install
jumper between terminal 2 and
terminal 5 on damper plug in boiler
wiring harness. See Figure 14. Does
boiler fire?

N

Replace ignition control.

o Y

es

es

Replace actuator.

No Y

Open thermostat contacts for 30
seconds. Damper will rotate to closed
position. Close thermostat contacts.
Damper will rotate to open position.

es

Is spark present now?

Yes No

Is 24VAC present across terminal C and yellow wire
between damper connector and rollout thermal fuse
element?

N

es

Re-test.

Securely connect and
turn ON supply voltage.
Re-test.

Replace pilot assembly.

Is spark gap 0.125” and
located in pilot gas stream?

No Y

o Y

Is damper rotated open?

No Yes

Is 24VAC present at Terminals
PV and MV/PV?

No Y

Turn OFF supply voltage.

Check spark wire. Is it securely
connected to ignition control?

No Y

Is condition of spark
wire good (not brittle,
burned, or cracked)?

N

Is spark electrode ceramic
cracked?

No Y

es

Replace pilot assembly.

es

es

o Y

es

es

es

14253

FIGURE 14

Part Number 550-110-646/0607

Replace pilot assembly.

6

Replace ignition
control.

Turn ON supply voltage
and operate system
several complete cycles.

29

EG • PEG • EGH Series 4

Troubleshooting continued

CHART 3: PILOT LIGHTS — Main valve will not come on — With or without vent damper

Does spark stay on for more than a few seconds after pilot is established?

No Yes

Replace
ignition control.

Contact gas
supplier to
correct pressure.

Correct wiring.

Is 24VAC between terminals MV and
PV on ignition control?

No Yes

Check inlet gas pressure. Is pressure:

at least 5.0 inches w.c.?

•
not more than 14.0 inches w.c.?

•

No Yes

Is main valve wiring secure at
terminals?

No Yes

Replace gas
valve.

Replace pilot
assembly.

Does system have proper flame signal?

Make sure sense wire is not wrapped around any pipes or
accessories.

Is sense wire securely attached to sense terminal and pilot
assembly?

No Yes

Correct.

Is sense wire or sensing probe
shorted out to a metal surface?

No Yes

Correct.

Check sense wire continuity.
Check condition of insulation.
Both OK?

No Yes

Is sensing probe ceramic
cracked?

No Yes

Replace pilot
assembly.

Set up microammeter to measure output current in flame
sensor circuit as follows:

etach sense lead from ignition control. Attach

a. D

negative lead from microammeter to sense terminal on
ignition control.

ttach positive lead to sense wire from pilot assembly.

b. A
c. Disconnect main valve lead from terminal “MV” on

ignition control.

No Yes

Replace ignition control.

30

nergize the system. Spark should ignite the pilot. As

d. E

soon as pilot is burning, the microammeter should read
at least 1.0 microamp for Honeywell S8620C control,
or 0.1 microamp for United Technologies 1003-611A
control.

. I

s flame current signal less than the minimum specified

e

in step “d” above?

Check for proper gas pressure.

•
Clean pilot assembly.

•
Tighten mechanical and electrical connections.

•
Check for proper system grounding.

•
See procedure to check grounding on next page.

•

Part Number 550-110-646/0607

Universal control systems — Control supplement

Troubleshooting continued

CHART 3 (continued): Procedure to check system grounding

Pilot assembly and ignition control must share common ground
with main burner. Nuisance shutdowns are often caused by
poor or erratic ground.

Check for good metal-to-metal contact between pilot burner

•
bracket and main burner, and between main burner and
burner rest.

Check ground lead from “GND (Burner)” terminal on ignition

•
control to ignition control mounting screw, and from “C”
on transformer to transformer case ground. Make sure
connections are clean and tight. If wire is damaged or
deteriorated, replace with No. 18 gauge moisture-resistant,
thermoplastic-insulated wire with 105°C minimum rating.

CHART 4: PILOT LIGHTS — Main valve will not come on — With or without vent damper

Are pilot valve connections correct and securely fastened?

No Yes

Connect securely to terminals PV and
MV/PV on ignition control.

Is manual hand valve open?

Open manual hand valve.

Contact gas supplier to correct gas pressure.

Is inlet gas pressure at least 5.0” w.c. and no more than 14.0” w.c.?

No Yes

Is gas present at pilot burner assembly?

No Yes

on the ignition control. Use a match
taped to a long screwdriver or pilot
lighter rod to manually light the pilot.
Does the pilot light?

To check for gas at pilot —
Remove the wire to “MV”

No Yes

Make sure gas cock is in “ON” position and
pilot line is not kinked or obstructed. Check
for clean pilot orifice. If OK, replace the gas
valve.

Part Number 550-110-646/0607

Replace pilot assembly.

Is spark gap 0.125” and located in pilot
gas stream?

No Yes

Block any draft around the boiler.

•

Check for clean pilot orifice.

•

31

EG • PEG • EGH Series 4

Replacement parts

Only dampers listed below are approved for use on EG, PEG and EGH Series 4 boilers. Any other damper installed can

cause severe personal injury or death.

Description Manufacturer /

Mfr’s part number

Damper
assembly

Damper actuator Effikal RVGP

Damper harness Weil-McLain 591-391-795

UCS Ignition control Honeywell S8620C1003

Boiler wiring
harness
(in envelope
assembly)

Pilot burner assembly Precision Speed Equipment

Gas valve,
natural gas

5” — EG-30, EG-35, PEG-30, PEG-35 Effikal RVGP-KS-5BKF

Johnson Q35GD-2

6” — EG-40, EG-45, PEG-40, PEG-45 Effikal RVGP-KS-6BKF

Field Controls 02722701

Johnson Q35GF-2

7” — EG-50, EG-55, PEG-50, PEG-55 Effikal RVGP-KS-7BKF

Field Controls 02723101

Johnson Q35GH-2

8” — EG-65, EG-75, PEG-65 Effikal RVGP-KS-8BKF

Johnson Q35GK-2

9” — EGH-85 Effikal RVGP-KS-9BKF

Johnson Q35GM-2

10” — EGH-95, EGH-105 Effikal RVGP-KS-10BKF

Johnson Q35GP-2

12” — EGH-115, EGH-125 Effikal RVGP-KS-10BKF

Johnson Q35GR-2

Johnson M35BE-1C

United Technologies 1003-611A

EG-30 through -75 water
EG-35 through -75 water with tankless heater
EG-30 through -75 steam, float LWCO
EG-30 through -75, PEG-30 through -65 steam, probe LWCO
EGH water without tankless heater
EGH water with tankless heater
EGH steam, float LWCO
EGH steam, probe LWCO

½” x ½”, sizes 30 through 50 Honeywell VR8204A2001

¾” x ¾”, sizes 55 through 75 Honeywell VR8304P4348

¾” x 1”, sizes 85 through 95 Robertshaw 7000DERHC-S7C 511-044-286

1” x 1”, sizes 105 through 125 Robertshaw 7000DERHC-S7C 511-044-287

Weil-McLain 540-130-959

PSE-NA16

White-Rodgers 36E36-266

Robertshaw 7200IPER

White-Rodgers 36C74-474

Weil-McLain
part number

381-800-475

381-800-476

381-800-477

381-800-478

381-800-445

381-800-446

381-800-447

510-512-337
510-312-255

511-330-097

540-130-960
540-130-961
540-130-962
540-130-966
540-130-969
540-130-967
540-130-968

511-330-218

511-044-381

511-044-382

32

Part Number 550-110-646/0607