Santec PB-3950 User Manual

PRESSURE BALANCED TUB/SHOWER VALVE (PB-3950)
INSTALLATION AND ROUGH-IN

DESCRIPTION

This product is precision engineered to provide satisfactory performance provided it is installed and
operated in accordance with our recommendations contained in this manual. In order to fully enjoy
the comfort, safety and the reliability of your pressure balancing valve, be certain to familiarize yourself
with the contents of this manual.

WALL LINE

1/2"

78"

(1981 mm)

1/2"

33"

FLOOR

LINE

SPECIFICATIONS AND DIMENSIONS

Minimum operating pressure 20 psi
Maximum operating pressure 145 psi
Maximum test pressure 500 psi
Hot and cold water inlets 1/2" IPS
Shower outlet 1/2" IPS
Flow capacity 5 USGPM@ 50 psi
Finished wall adjustment : see Illustration B

ILLUSTRATION A

INSTALLATION

NOTE: Failure to follow these instructions may cause damage or improper operations and nullify
the warranty.

ROUGH IN

- Make sure the water supplies are off.

- Remove all the trim items (plate, handle and flange) before installation.

- Secure the valve firmly against the stud. Make sure the 1/2" shower outlet is in the
up position.

- Make sure to flush or raise grouting on the tiled wall surface.

- Adjust the All Thread depth against the Teflon Washer and Limit Stop.
Screw the All Thread against the Teflon washer until it is pressured gently agaisnt each other.

- Tighten firmly the Lock Nut against the Lock Plate.

- Position the valve using the dimension shown in the illustration B.

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3.00”

PRESSURE BALANCED TUB/SHOWER VALVE (PB-3950)
INSTALLATION AND ROUGH-IN

4.25"

S

T

ILLUSTRATION B

All Thread

Lock Nut

Lock Plate

Diverter Rod

Stem

Handle Base or Bell

Trim Plate

Top Down Screw Installation

Handle

Diverter Knob

Diverter Rod O-Ring

H

Designer Trim Plate

C

9.80"

Set Screw Installation

C

H

6.75"

6.75"

Estate Trim Plate

TRIM INSTALLATION

- Place the shower plate on the all thread

- Screw the Handle Flange (when applicable) into the All Thread
and tighten it firmly against the Trim Plate. Cylinder handles
require adapter between the flange and the All Thread.

- Screw the handle base (or bell) onto the All Thread and mark
the position. Cut off the excess thread.

- Insert the Handle into the Stem. Measure the excess between
the handle base or bell and the handle. Take off the handle
and cut the excess stem.

- Place the Diverter Rod O-Ring onto the designated hole for the
Diverter Rod.on the Trim Plate.

- Reinsert the handle into the stem and secure it using the set s
crew or screw provided. Tighten the handle firmly. Screw the
Diverter Knob onto the Diverter Rod.

HOT

HH

WARMER

WARM

COLD

CC

PAGE 02