1-115 1/2 Mini Thermostatic Valve
Instruction Manual

INSTALLATION INSTRUCTIONS FOR

• 1/2 Mini Thermostatic Valve 1-115
• w/ VOLUME CONTROL 1-116
• w/ (TWO) 1/2” VOLUME CONTROL1-138
• w/ 3 Way Diverter  1-117
• w/ 2 Way Diverter 1-132

GENERAL CHARACTERISTICS

WE RECOMMEND THAT ALL PLUMBING PRODUCTS BE INSTALLED BY A LICENSED PROFESSIONAL
IMPORTANT: Thoroughly read instructions before installation.
WARNING: IF THIS VALVE IS INSTALLED UPSIDE-DOWN A REVERSE CARTRIDGE IS NOT AVAILABLE.
CONSEQUENTLY, VALVE MUST BE REMOVED AND REINSTALLED RIGHT-SIDE UP.
The valve is designed with two outlets for ease of installation, but are not intended to be used simultaneously with each other. Using both outlets will reduce the performance of the valve.

VALVE SPECIFICATION

Recommended supply pressure = 20 to 80 psi (1,38-5,52 bar)
Recommended hot water supply temperature = 120° to 140°F (48°-60°C)
Operating pressures between hot and cold supplies should vary no more than 30 psi (2,07 bar). If water pressure exceeds 70 psi (4,83 bar), install a pressure reducing valve.
Ensure the mixing valve is in compliance with local plumbing codes when setting the temperature on the water heater.
It is the installer’s responsibility to verify correct temperature setting to prevent any risk of scalding prior to consumer use.
For use with shower heads rated at 1.3 gpm (4.9 L/min) or higherMale 1/2” NPT inlets and outlets
Factory temperature setting = 100°F (38°C)
Temperature range = 52° to 118°F (11°-48°C)
Temperature hot supply = 149° to 180°F (65°-82°C)
Temperature cold supply = 50° to 72°F (10°-22°C)
Temperature stability = Compliant with ASSE 1016

PARTS BREAKDOWN

Mini Thermostatic Valve
TURN TO PAGE 8 FOR VALVE TURN MECHANICS

1-115 Mini Therm Valve

Mini Thermostatic Valve w/ VOLUME CONTROL
(If you have purchased the Mini Therm Valve w/ Volume Control ) 1/2” NPT female outlet

1-116 Mini Therm Valve w/ Volume Control

PARTS FROM THERM VALVE

Mini Thermostatic Valve w/ 2 VOLUME CONTROL
(If you have purchased the Mini Therm Valve w/ TWO Volume Control ) 1/2” NPT female outlets

1-138 Mini Therm Valve w/ 2 Volume Control
PARTS FROM THERM VALVE

| PART #| DESCRIPTION| QTY.

---|---|---|---
1| 10054| STEM EXTENSION| 2
2| 10209| SHANK, NIPPLE THREAD ALL| 1
3| 10624| BODY, MINI THERMOSTATIC| 1
4| 11197| CHECK VALVE| 2
5| 12076| RETAINER NUT| 1
6| 12073| COVER SLEEVE ADAPTOR| 1
7| 11973| CARTRIDGE MINI THERM| 1
8| 2-130| SHUTOFF NUT| 2
9| 90011| O-RING| 2
10| 92335| SCREW| 1
11| 2-273| MINI THERMO w/ 1/2” SHUTOFF| 1
12| 92157| SCREW| 1
13| 11416| STEM EXTENSION, XXL| 1
14| 11498| ALL THREAD,EXTENSION, XXL| 1
15| 10058| NUT, ADAPTOR CARTRIDGE| 1
16| 10258| CARTRIDGE, VALVE 1/2”| 1
17| 90011| O-RING| 2

Mini Thermostatic Valve w/ 3 WAY DIVERTER
(If you have purchased the Mini Therm Valve w/ 3 Way Diverter)
1/2” male outlets

1-117Mini Therm Valve w/ 3 Volume Control
PARTS FROM THERM VALVE

| PART #| DESCRIPTION| QTY,

---|---|---|---
1| 10054| STEM EXTENSION| 2
2| 10209| SHANK, NIPPLE THREAD ALL| 1
3| 10624| BODY, MINI THERMOSTATIC| 1
4| 11197| CHECK VALVE|
5| 12076| RETAINER NUT| 1
6| 12073| COVER SLEEVE ADAPTOR| 1
7| 11973| CARTRIDGE MINI THERM| 1
8| 2-130| SHUTOFF NUT| 2
9| 90011| 0-RING| 2
10| 92335| SCREW| 1
11| 2-242| MINI THERMO w/ 1/2″ SHUTOFF| 1
12| 92157| SCREW| 1
13| 11416| STEM EXTENSION, XXL| 1
14| 11498| ALL THREAD,EXTENSION, XXL| 1
15| 10349| NUT, 3 WAY DIVERTER| 1
16| 11297| CARTRIDGE, VALVE 1/2″| 1
17| 90011| 0-RING| 2
118| 11648| MUD GUARD, CARDBOARD| 2

Mini Thermostatic Valve w/ 2 WAY DIVERTER
(If you have purchased the Mini Therm Valve w/ 2 Way Diverter)
1/2” male outlets
1-132Mini Therm Valve w/2 Volume Control
PARTS FROM THERM VALVE

ROUGH IN DIMENSIONS / ROUGH IN VALVE TO FRAME

(All dimensions shown are to the nearest 1/16”)
Once the desired location has been determined, install a cross support beam to wall studs. Ensure to level the valve & secure to the cross support. The valve should be level horizontally, vertically, & parallel to finished wall.
Opening for Finished wall

Pre-assemble fittings before attaching to cross support. Attach the “COLD” Inlet to Cold Supply & “HOT” Inlet to Hot Supply using copper supply lines.
IMPORTANT: Thoroughly flush supply lines to remove any debris prior to installation to pevent damage & malfunction of thermostatic cartridge.

Use plumber’s tape or thread sealant to all threaded port joints & attach to valve. All soldering/brazing of fittings shall be performed a minimum of 6” away from valve.
WARNING:
DO NOT APPLY HEAT DIRECTLY TO THE VALVE AS THIS MAY DAMAGE RUBBER & PLASTIC SEALS & WILL AVOID WARRANTY. TURN ON WATER SUPPLIES TO VALVE & CHECK FOR LEAKS

MAINTENANCE

THERMOSTATIC CARTRIDGE
Carefully remove the trim and plate, place in a safe location for the time being. Use a flat head screwdriver to shut off the water supply to the cartridge by turning the temporary shutoff screws clockwise until screw stops. Ensure to close both the hot and cold sides of the water supplies. Remove extensions & cover sleeve to gain access to the cartridge nut. Unscrew the cartridge nut using a 1 1/32” plumbers wrench or adjustable wrench, if possible. Gently pull the cartridge out of the housing body (rotating cartridge while pulling may assist in removing). Clean the cartridge by rinsing it under running water to remove any possible debris. Wipe cartridge and housing seat clean and apply a thin film of NON-PETROLEUM GREASE to o-rings.
NOTE: Do NOT use oil based lubricants as this may cause the o-rings to dry out over time and crack. How to calibrate temperature:
To limit the amount of HOT water allowed to mix with cold water, use a 4 “ long flat blade screw driver to remove the stem. Unscrew and remove cover sleeve using a 3/4” socket. Remove o-ring and pull off limit stop and rotate the stem counterclockwise till the desired maximum temperature is found. The maximum temperature is factory set at 120°F. Once the desired temperature is set, reinstall the safety limit stop at the maximum position (Against Pin). Proceed installing the stem and trim.

CHECK VALVES

Shut off water supply at main or upstream from valve body. Remove check valve nut with a 9/16” (14mm) socket wrench from the body.
If check valve needs replacement, forcefully remove check valve w/ needle nose pliers.
Wipe check valve and housing seat clean and apply a thin film of NON-PETROLEUM GREASE to o-rings.
Install new check valves by pressing them in evenly & ensuring check valve snaps into place.
NOTE: Do NOT use oil based lubricants as this may cause o-rings to dry out over time and crack.
Tighten check valve nut(s) to 10 ft-lbs (13,56 nm).
Turn on water supply from upstream and check for leaks.
Check operation of flow. If improved, proceed to reinstall extensions, trim, & plate; otherwise, see PARTS BREAKOUT for any replacement parts needed.

VALVE TURN MECHANICS

RECOMMEND INSTALLING FUNCTIONALITY AS SHOW BELOW, 1, 2 & 3 CONSEQUENTIALY.
1-116 THERMOSTATIC VALVE W/ VOLUME CONTROL
1-138 THERMOSTATIC VALVE W/ 2 VOLUME CONTROL 1-117 THERMOSTATIC VALVE W/ 3 WAY DIVERTER
1-132 THERMOSTATIC VALVE W/ 2 WAY DIVERTER

Defining Luxury Since 1959
12M Logan Ave., Costa Mesa, CA 92626 P: 714.361.4830
F: 714.617.3120
www.phylrich.com

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