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Compliance:

  ASME A112.18.1/CSA B125.1

Caution:

   Be sure to turn off hot and cold water supplies before 

installing or servicing faucet.

Installation Procedure:

1. 

Drill three 1 1/4” holes into the deck (maximum deck 

thickness 1-3/8” ).

2. 

Cut 1/2” copper tubing (RT-108) to length required.
Example:  If a 10” valve center to valve center is required, 

the tubing should be cut to 3 7/8”. The maximum overall 

center to center dimension with supplied tubing is 

18-1/4”.
For greater widths the installer will need to provide their 

own tubing.

3. 

Ensure the centerbody nut (RT-103N) is threaded onto 

the centerbody (RT-100) and then install 3/8” plug (RT-

105).
Solder the branch of the tee (HPT-10) to the centerbody.
Cut to proper length and solder the two 1/2” copper 

tubing (RT-108) into the run of the tee (HPT-10) and 

into the valve bodies (RT-103).

4. 

Push assembly through deck holes from the bottom with 

hot on left. 
Slip retaining plate (RT-101) over the centerbody (RT-

100) making sure the retaining plate (RT-101) slides over 

the flange of the centerbody.
Then turn the retaining plate 90 degrees under the 

nut on the centerbody (RT-100) to hold in place. The 

soldered assembly should be held in position on the 

deck making sure the hot cartridge is on the left.
Ensure the tops of the valve bodies measure 

approximately 1-7/8” from the finished deck by 

adjusting centerbody and valve body nuts (RT-103N).
Note:  If tile or finished surface will be installed while 

the plumbing is in a “roughed in state” the retaining 

plate (RT-101) should be shimmed the thickness of the 

finishing material.

5. 

Tighten the centerbody nut (RT-103N) under the deck. 

Thread valve body nuts (RT-103N) up to base of deck 

but do not tighten.

6. 

Solder 1/2” hot and cold supplies to valve bodies 

(RT-103).

7. 

The system can be tested at this time.
Remove plug (RT-105) when the spout (RT-135) is to be 

assembled onto the faucet.

8. 

Grease o-ring (T-2) in the bore of the spout.
Assemble spout onto centerbody with gasket (RT-165) 

under the spout.
Tighten spout (RT-135) in place with set screw 

(SC-15A).

9. 

Thread handle escutcheons (RT-104) onto valve bodies.
Thread collar (LN-112) onto the valve body until it 

reaches the escutcheons (RT-104).
Tighten three body nuts (RT-103N) securely.

10. 

Faucet handle installation:
Place handle on valve spindle and thread screw 

(LN-121A) into valve.

11. 

It is very important to thoroughly flush the supply lines 

to prevent foreign matter, i.e. copper chips, sand, stones, 

etc. from damaging the sealing surfaces of cartridge.
Remove aerator and open hot and cold to full open then 

open both supplies.
Let water run through hot and cold long enough to flush 

supply lines thoroughly.
Shut off faucet and replace aerator. Check for leaks. 

Cartridge Replacement (KN-113 or KN-114)

1. 

Remove plug button (LN-243C or LN-243H), loosen 

Philip head screw (LN-121A) and remove handle (LN-

177).

2. 

Remove collar (LN-112) by turning counter clockwise. 

Caution: Do not use wrench as this may damage the 

surface finish.

3. 

Place wrench on cartridge hex nut (KN-113, KN-114). 

Turn wrench counter clockwise until cartridge is 

removed.

4. 

Install new cartridge. Turn cartridge with wrench until 

cartridge does not turn easily then turn 1/4 to 1/2 turn 

further. Reassemble handle in reverse fashion.

Roman Tub Faucet  

SRT-4470

Installation and Service Instructions

Carrington

®

WARNING:

 This product can expose you to chemicals 

including lead, which is known to the state of California 

to cause cancer, birth defects, or other reproductive harm.  

For more information, go to www.P65Warnings.ca.gov.

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