Dimensions Guide

© 2020 AS America, Inc.
Portsmouth
®
Pressure Balance Bath/Shower Trim
with Double Ceramic Pressure Balance Cartridge
MODEL NUMBER:
TRIM KITS:
❏ TU420502 Portsmouth Bath/Shower Trim Kit
with Pressure Balance Cartridge
Lever handle. LESS valve body.
❏ TU420501 Portsmouth Shower ONLY Trim Kit
with Pressure Balance Cartridge
Lever handle. LESS valve body.
❏ TU420500 Portsmouth Valve ONLY Trim Kit
with Pressure Balance Cartridge
Lever handle. LESS valve body.
For use with Flash
™
Rough Valve Bodies
TU420502 Bath/Shower Trim Shown
TU420.50X
SUGGESTED SPECIFICATION
Bath/shower tting shall feature water saving 3-function showerhead with Max. 1.8 gpm/6.8 L/min. ow rate. Shall feature
double ceramic pressure balance cartridge. Cartridge is capable of back to back installation and shall feature integrated
check valves to eliminate cross ow. Capable of meeting ASSE1016 @1.3gpm. Cartridge shall also feature hot limit safety
stop. Fitting shall be: American Standard - Trim Kit Model # TU42050_.___ and Flash Valve Body Model # RU10___.
GENERAL DESCRIPTION:
Double Ceramic Pressure Balance Cartridge: Features
one-piece design with ceramic discs and ceramic balancing
spool. Includes integrated check valves and hot limit safety stop.
Cartridge capable of back to back capability. Ceramic
balancing spool maintains constant output temperature in
response to changes in relative hot and cold supply pressure.
Washerless ceramic discs provide smooth handle movement
and are unaffected by harsh water conditions.
Trim: Features 7-1/4" water-saving 3-function showerhead with a
maximum 1.8 gpm/6.8 L/min. ow rate. Metal slip-on diverter
spout. Metal wall valve trim with metal lever.
PRODUCT FEATURES
One-Piece Cartridge: Simplies installation and maintenance.
Double Ceramic Pressure Balance Cartridge:
Combination of Ceramic Disc Mixing Valve and a Ceramic
Balancing Spool in a one-piece cartridge.
Ceramic Disc Mixing Valve: Assures a lifetime of drip-free
performance and smooth handle operation.
Ceramic Balancing Spool: Maintains a constant output
temperature in response to changes in relative hot and cold
supply pressure. Ceramic material is unaffected by mineral
deposits and harsh water conditions.
Integrated Check Valves: Engineered to eliminate cross ow.
Adjustable Hot Limit Safety Stop: Limits the amount of hot
water allowed to mix with cold. Reduces the risk of accidental
scalding.
Comfort Zone: Offers a wider shower range to ne tune the
desired temperature within the useful temperature zone.
Back-to-Back Capability: Hot and cold can be reversed quickly
and easily.
Water Saving: Saves 28% water usage.
7-5/8" DIA.
(195 mm)
1-5/8" TO 3"
(41mm TO 76mm)
FINISHED WALL
4" (102 mm)
BOTTOM OF TUB
74" FOR HEAD CLEARANCE
(188 cm)
18" OPTIONAL
(45,7 cm)
5-1/8" REF.
(130 mm) REF.
1/2" NPT
(12,7 mm) NPT
OPTIONAL TO
FINISHED FLOOR
USUALLY BETWEEN
65'' AND 78''
TOP OF TUB RIM
1/2" COPPER
1-1/2" REF.
(38 mm) REF.
3-3/4" REF.
(95 mm)
7-1/2" REF.
(191 mm)
2-3/4" MAX. (69 mm)
1-3/4" MIN. (45 mm)
7-1/4"
(184 mm)
4/20
Includes
Cartridge