Symmons 3502 Service Manual

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Page 1

Dia™

3/32"

1 2 3 4

Handle kit

T-242A

Tub spout

057

COLD

supply inlet

HOT

supply inlet

Protective valve shield (not shown) T-176

Temp Limit

stop screw

Escutcheon

mounting plate

Note: Piping, ttings and tools are not included. Actual plumbing should be determined and installed by a licensed plumber.

Mounting plate, T-177

Arm and ange

300S

Tools & Materials

Temptrol

Control Valve

4000-BODY 4000-X-BODY

Model Series 3502 3502-X 3502-TRM

Model Series 3501

3501-X 3501-TRM

3502 3502-X 3502-TRM

Model Series 3500

3500-X 3500-TRM

3501 3501-X 3501-TRM

3502 3502-X 3502-TRM

Model Series 3500

3500-X 3500TS

3500TS-X 3501

3501-X 3502

3502-X

3/32"

Dome

cover

4 mm

Showerhead

352SH

Screwless escutcheon kit

RTS-009, brass RTS-010, plastic

Visual Guide

Dia Tub-Shower Systems, 3500, 3501, 3502 Series

Tub-Shower Systems 3500, 3501, 3502 Series

Installation and Service Instructions

Model Number Series

3502.............. Tub-Shower System

3502-X .......... Valve includes stops

3502-TRM .... Trim only

3501.............. Shower System

3501-X .......... Valve includes stops

3501-TRM .... Trim only

3500.............. Shower Valve System

3500-X .......... Valve includes stops

3500-TRM .... Trim only

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Page 2

Installation Instructions

Rough-in Installation

Control valve assembly, piping and fittings (Note: Illustrations below

show valve model without stops)

Reference as required: Page

Visual guide ....................................1

Dimensions illustration ................4

1) Determine wall thickness

■

Determine type of wall and wall thickness where valve will be mounted.

■ Consider whether to use mounting plate by reviewing gure 2 below.

■ Skip ahead to Step 3 if mounting plate is not used.

2) Attach valve mounting plate

Seat mounting plate against valve assembly as illustrated in gure 1.

Figure 1 Mounting plate

3) Attach protective shield

■ Reference gure 2 to determine whether shield is required.

■ Attach protective shield by snap tting over end of valve spindle.

4) Install piping, ﬁttings and

control valve

Piping and ttings not supplied

■ Control Valve Install through cutout hole in wall as specied in gure 2 below and dimension illustration on page 4.

■ Showerhead (S on valve) Pipe from outlet port on valve marked S to showerhead mounting arm location.

■ Hot & Cold Supply (H & C) Pipe hot water supply to valve inlet marked H and cold water supply to valve inlet marked C.

■ Tub Spout (T on valve) Pipe from outlet port on valve marked T to tub spout.

Important! Do not substitute Tub Spout with restrictive ttings such as

PEX, CPVC or outlet accessories such

as a ledge spout, hose and spray that would subject the valve to excessive internal back pressure, otherwise operation will be compromised.

5) Remove protective shield

If protective shield was attached in Step 3 then remove shield snap tted over the end of valve spindle once valve is securely installed and wall nish work has been completed.

6) Adjust valve packing nut

Reference gure 3 below

■ Turn hot & cold supplies on. Valve will not operate unless both hot and cold water supply pressures are turned on.

■ Place handle over end of control spindle stem.

■ Adjust packing nut for positive frictional resistance as handle is rotated from shuto position across adjustment range.

Temp Limit stop screw

packing nut

control

spindle

stem

Figure 3 Valve adjustments

wall

Walls for using T-177 valve mounting plate

 Fiberglass or acrylic walls (required) 

Plaster or other type walls (optional)

1/16" (2 mm) min  1/2" (13 mm) max

Protective shield

When mounting plate is used, then shield is optional for protecting end of valve during installation.

"snap on-off"

p/n T-176

wall cutout hole size

3-1/2" (95 mm) min

4" (101 mm) max

p/n T-177

nished

wall

Figure 2 Mounting valve

Ensure valve’s mounting plate is ush against inner wall

Page 2

Dry wall, plaster or other type wall

1/2" (13 mm) or greater

nished wall

2-3/8" ± 1/2"

(60 mm ±13 mm)

pipe centerline

to nished wall

Finished wall must be ush with back side of protective shield surface

Protective shield

"snap on-off"

(required when valve mounting plate is not used)

wall cutout hole size

3-1/2" (89 mm) min

4" (101 mm) max

Page 3

7) Flush system, check for leaks

■ Turn valve to the warm position and run for a few minutes.

■ If system is dirty, remove valve spindle in center of valve to ensure proper ushing. (See service instructions.)

■ Check for leaks around valve assembly and all pipe ttings.

8) Set Temp Limit stop screw

Reference page 2, gure 3

e temperature limit stop screw limits valve handle from being turned to maximum position resulting in excessive hot water discharge temperatures.

2) Attach escutcheon

5) Attach showerhead

6) Attach tub spout

Warning: Failure to

adjust Temp Limit stop screw properly may result

in serious scalding.

■ Place handle on control spindle stem and open valve to maximum desired temperature.

■ Turn Temp Limit stop screw clockwise until it seats.

Note: o devices on control valve outlet or devices that do not allow the valve to ow at least 1.5 gpm.

Do not install positive shut-

Trim Installation

1) Attach escutcheon

mounting plate

3) Attach dome cover

4) Attach handle

4 mm

Tub-Shower Operation

Control handle ON-OFF

OFF

Adjust water temperature

factory

installed

gasket

3/32"

Page 3

COLD

HOT

Care and Cleaning

Clean nished area using mild soap and water or a non-abrasive cleaner and then quickly rinse. A nonabrasive wax may be used to preserve nish area.

Page 4

Dimensions Dia Tub-Shower Systems, 3500, 3501, 3502 series

Model Series 3501 3501-X

3502 3502-X

Model Series 3500 3500-X

3501 3501-X

3502 3502-X

HOT

suppl

inlet

2-1/2" dia (64 mm)

5-1/2"

(138 mm)

COLD

supply

inlet

nished wall

6-3/4"

(171 mm)

Finished wall to pipe centerline

2-3/8" ± 1/2" (60 mm ±13 mm)

Finished wall to rear of valve

3-1/2" ± 1/2" (89 mm ±13 mm)

7-3/4" (197 mm) dia - plastic

7-1/2" (191 mm) dia - brass

Wall cutout hole size 3-1/2" (89 mm) min 4" (101 mm) max

*see note (2)

(76 mm)

2-7/8

½"

(72 mm

12"

(305 mm)

13 mm)

1/2"-14 NPT

showerhead supply

5/8" (16 mm)

mounting plate p/n T-177

Note (1)

Temptrol control valve

tub spout supply or supply plug

HOT / COLD supply inlets

approx

77"

(1956 mm)

Model Series 3502 3502-X

2-1/2" dia (64 mm)

(178 mm)

Notes: (also reference page 2, ﬁgure 2 for details)

(1) Walls for using T-177 mounting plate (MP)

■ Wall thickness is 1/16" (2 mm) min • 1/2" (13 mm) max

■ Fiber or acrylic walls (MP is required)

■ Plaster or other type walls 1/2" or less (MP optional)

■ Protective shield usage (optional for protection only)

(2) Dry wall, plaster or other type walls 1/2" or greater

■ Protective shield attached to valve spindle to locate position

(3) Dimensions subject to change without notice

Page 4

4 mm

3" (76 mm) min

4-3/8 (111 mm) max

approximately Shower only = 42" (1057 mm) Tub-Shower = 32" (813 mm)

Protective shield p/n T-176

Floor

Page 5

Parts Assembly Temptrol Shower & Tub-Shower Control Valves

■ 4000-BODY..........Shower valve, Tub-Shower valve

■ 4000-X-BODY......Shower valve w/stops, Tub-Shower valve w/stops

Service stop kit (T-52)

Temptrol valve 4000-BODY

Service stop kit & removal tool (T-55C)

Removal tool

seat

COLD

HOT

repair kit (TA-4)

COLD seat removal

tool (T-35B)

Shower supply

outlet

Temptrol valve 4000-X-BODY

HOT supply inlet

Shower only

Tub supply plug

Tub-Shower

Tub supply outlet

Service stop

and retainer

kit (T-52)

COLD

service stop

retainer

Control spindle

washer repair kit

(TA-9)

Cap assembly

supply inlet

Retainer

hot washer screw

cold washer retainer

(T-12A)

hot washer

cold washer

cap gasket

Cap washer

repair kit

HOT seat

COLD

limit stop screw

(T-16)

packing nut

seat

cap gasket

cap

o-ring

washer

packing

HOT seat removal

tool (T-35A)

Control spindle assy. (TA-10)

Control spindle & cap assembly (TA-10 & T-12A)

Temp Limit stop adjust

Symmons

Part

Number

TA-4

TA-9

TA-10

T-12A

T-16

T-35A/B

T-52

T-55C

T-108

Temptrol Valve Replacement Parts and Optional Tools

Valve Body Type

4000-BODY 4000-X-BODY

√ √ HOT & COLD seat repair kit........... (optional tool p/n T-35A/B)

√ √ Control spindle washer repair kit

√ √ Control spindle........... (includes p/n TA-9 & T-16 components)

√ √ Cap assembly √ √ Cap washer repair kit √ √ HOT seat removal tool, T-35A & COLD seat removal tool, T-35B

√ √

Description

Service stop spindle & retainer

Service stop spindle, retainer & removal tool

Reverse seat & tool kit (valve HOT & COLD supply inputs are reversed)

Page 5

Page 6

Trouble Shooting Chart

Problem Cause Solution

Valve will not pass water.

Both hot and cold water supplies are not turned on.

Turn on both supplies. Valve will not operate unless both hot and cold water pressure is on.

Valve leaks when shut o.

Temperature control handle is turned from cold to hot (or hot back to cold) and volume from spout or head is not constant.

Valve delivers sucient quantity of cold, but little hot, or the reverse.

Temperature varies without moving handle.

Valve delivery temperature reduces gradually during use; handle must be turned to hotter positions to maintain constant temperature.

Valve delivers hot water when initially opened. Water turns colder as handle is rotated in a counter-clockwise direction toward the hot position.

Hot and cold washers are worn or foreign matter (dirt, chips) is lodged between washers and seat surfaces.

Pressure-balancing piston housed in spindle assembly is restricted from free movement by foreign matter.

Same as above Same as above

Overdraw on hot water supply (i.e. running out of hot water).

Valve is piped incorrectly (i.e. the hot supply is piped to the valve’s cold inlet and the cold supply is piped to the hot inlet.)

1) Replace washers using control spindle washer repair kit, p/n TA-9.

2) Replace hot & cold seats using hot/cold seat repair kit, p/n TA-4.

1) Open valve halfway, remove handle and tap spindle with plastic hammer.

2) Check water pressure balancing piston in control spindle. See service instructions.

3) Replace control spindle, p/n TA-10.

Reduce maximum ow by using volume control adjustment on valve or showerhead. is will allow longer period of use before overdrawing hot water supply.

If piping is accessible, correct connections to the valve. If piping is not accessible, order a reverse seat and tool kit, p/n T-108. Older installations may also require replacing the hot seat, hot/cold seat repair kit, p/n TA-4.

Service Instructions

Removing control spindle assembly

(Ref. parts assembly ﬁgure)

■ Shut o water supply to valve and remove control valve handle

■ Replace both seats even if only one appears worn.

■ Install and tighten both seats to 15 foot pounds of torque.

and dome cover.

■ Remove escutcheon plate by rst removing escutcheon screws.

■ Turn valve’s control spindle to half way position between minimum and maximum rotation.

Important: Failure to

do this can damage control spindle assembly.

■ Unscrew both spindle cap and

control spindle assembly.

Hot/Cold seat repair kit

Order p/n TA-4, T-35A and T-35B.

Installation requires both hot & cold removal tools, p/n T-35A & T-35B.

■ Remove control spindle assembly.

■ Remove both seats with removal tools.

Symmons Industries, Inc. 31 Brooks Drive ■ Braintree, MA 02184 ■ (800)796-6667, (781)848-2250 ■ Fax (800)961-9621, (781)664-1300

Control spindle washer repair kit

Order p/n TA-9.

■ Remove control spindle assembly.

■ Remove cold washer by holding spindle using valve handle and unscrew cold washer retainer using channel lock pliers.

■ Remove hot washer by removing hot washer screw.

Checking water pressure balancing piston

e perforated end of the control spindle assembly houses the water

pressure-balancing piston which is the heart of the valve.

■ Remove control spindle assembly.

■ Shake spindle assembly and listen for clicking noise. Piston should be free to slide back and forth the full length of its travel.

■ If piston appears restricted then do the following:

(1) Tap the handle or stem end of the spindle against a solid object to free the piston.

(2) Try soaking in household vinegar and repeat step (1).

■ If unable to free piston, replace

control spindle, p/n TA-10.

Important:

Do not

attempt removal of the piston.

Valve re-assembly

Reassemble by reversing above procedures.

Aer the control spindle assembly (TA-10) is threaded back into the spindle cap assembly (T-12A) ensure control spindle is rotated 1/2 turn clockwise from its maximum counter clockwise rotational position. Failure to do this will damage assembly.