Midco DS45B Parts List



 Current Installation and Service Manual 8470-72

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 First construction started May 30, 1993 (date code 2293).

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 Features a Honeywell DSI Electronic Control Board.

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 Supersedes Model DS45. Model DS45B was assigned to alleviate possible confusion replacing gas valves.

IMPORTANT: Availability of parts as well as specifications are subject to change without notice.

Please consult factory for item availability.

AVOID ERROR IN PARTS SELECTION. When ordering use complete MIDCO Part Number and Description. Furnish burner
model number, bill of material number, serial number or date code from rating plate.

Replacement Parts

List

Economite

Model DS45B

Conversion Burners

Midco®International Inc.

4140 West Victoria Street
Chicago, Illinois 60646
tel [phone]
fax [phone]
web www.midcointernational.com
e-mail [e-mail]

Quality Designed for Proven Performance

206

8472 58

Printed in U.S.A.

AVOID ERROR IN PARTS SELECTION. When ordering use complete MIDCO Part
Number and Description. Furnish Burner Model Number, Bill of Material Number and
Date Code (if available) from spec plate.

IMPORTANT: Availability of parts as well as specifications are subject to change without
notice. Please consult factory for item availability.

Installation Manual 8470 72

DS45B Exploded View

Component layout may not be as shown

** Refer to listing for proper application.

2

6215-70

DS45B Parts List

3

3981-00
4912-10
4914-50
4916-00

4917-00
4918-01
4919-00

4919-90
4924-10
4944-01

4944-02

4944-10
5201-90
5211-20

5216-50

5225-38
5269-00
5278-00
5289-00
5289-70

5292-00*

4" Dia. Stainless Nozzle Sleeve
Motor Conduit with hardware
External Air Shutter
Motor Mounting Ring less Rubber Mounts
and Nuts
Main Orifice Holder
Orifice Elbow (

3

/4" NPT)
Blower Wheel complete with Centrifugal
Actuator and Disc
Centrifugal Actuator Disc
Inlet Side Plate
Main Spud

11

/32 Drill (.343) minimum
capacity-NATURAL
Main Spud

25

/64 Drill (.390) maximum
capacity-NATURAL
Main Spud Extension(s)
400-Series Rubber Seal Strip
Motor Wheel, Side Plate and Cage
Assembly-120/1/60
Motor less Mounting Ring and Rubber
Mounts 120/1/60 (Universal Electric
JB2P048N#; Fasco 7163-7511)
Blower Housing and Blast Tube Assembly
Blower Interlock Switch with Bracket
3 Rubber Mounts and Nuts
Electrode Mounting Bracket
Electrode Mounting Bracket Gasket
DS45B Valve Wire Assembly

5734-50

6215-70
6262-00

6266-50

8406-58

8408-76

8408-39

8419-43

1

8423-16

8429-03

1

8432-09
8450-21

8470-72*

8574-03

2032000*
2020100*
2020400*
2020500*

Transformer 115/1/50-60 Primary, 24V­30VA Secondary (Prod. Unlimited 4000­01M07J232, 4000-01M07K232; Basler
BE121630GDD, BE121630GAA)
Terminal Strip only
Electrode Assembly (order Mounting
Bracket and Gasket separately)
Hi-Voltage Cable (order Silicone Boot for
Spark Electrode separately)
Motor Switching Relay-24V (Prod
Unlimited 9400-01Q2232)
3-Amp type 3AG Glass Fuse-

1

/4

" Dia. x

1

1

/4" LG
Silicone Boot-may be used on Flame
Sensor or Spark Electrode

3

/

4" 3-Function Redundant Main Valve

with Regulator (M-H VR8305M4009)
Blower Interlock Switch (Micro
BZ2RQ174-A2)
DSI Electronic Control (M-H S87D1087)
O-Ring Seal
Orifice Holder Sealing Gasket
Installation and Service Manual
Sensor Wire (order Silicone Boot for
Flame Sensor separately)
DS45B PROPANE Kit
4" Dia. Mounting Flange
4" Long Accessory Blast Tube Extension
8" Long Accessory Blast Tube Extension

* Not illustrated

Notes

1. WARNING: Explosion hazard. Can cause serious injury or death. An electronic device can malfunction if it

gets wet. Never try to use a device that has been wet-replace it.

Part

Number Description Description

Part

Number

Midco International Inc. 4140 West Victoria Street * Chicago, Illinois 60646 206
tel [phone] * fax [phone] * web www.midcointernational.com email [e-mail] 8472 58

Printed in USA