Replacement Parts List

ManualsBrandsRheem ManualsPlumbing SuppliesDirect Vent Indoor Propane Gas EcoNet Enabled Tankless Water Heater

Tankless Accessories

Finish and Appearance

Remote Control Options

• RTG20006DW

UMC-117 Main Remote Control, Generic

without branding

• RTG20006DU

USC1-117 Bath Remote Control, Generic without branding

• RTG20006DV

USC2-117 Second Bath Remote Control, Generic without branding

• RTG20009-1

10-ft. Thermostat Wire, 1 pair 18AWG

Maintenance and Service

Tankless Flush Kit

Connects easily to tankless

service valves. Allows for the flushing the

heat exchanger with a cleaning solution

such as white vinegar. Simple to use.

• RTG20124

Includes: 5-gallon bucket, submersible

pump, and two hoses

Cosmetic Pipe Covers

Pipe covers enhance an indoor or

outdoor installation by concealing the

piping beneath the water heater. It

provides protection from tampering

and weather conditions. These covers

come in a grey finish to match the

tankless heater.

• RTG20220AB

Webstone service valves,

clean brass for low lead

code, includes relief valve

Outdoor Recess Boxes

Recess boxes enhance an outdoor

installation by protecting the

tankless unit from damage and

tampering. It also provides additional

protection from extreme weather.

These boxes come in a grey finish

and can be painted by the customer.

• RTG20226

For the RTGH-95, RTGH-90 and RTGH-84 X and XL models*

Rough-in Dimensions: 46" High, 19-1/2" Wide, 9-1/2" Deep

• RTG20253 - Recess Box for Stucco Applications

For the RTGH-84XL, RTGH-90XL and RTGH-95XL models*

Rough-in Dimensions: 46" High, 19-1/2" Wide, 9-1/2" Deep

• RTG20218

For the RTG-64, RTG-84, and RTG-95 X and XL models*

Rough in Dimensions: 42" High, 14-1/2” Wide, 8-1/2" Deep

• RTG20238 - Retrofit Kit for 74X Recess Box

Allows an RTG-95XL, RTG-84XL, RTG-64XL models*, to be installed

in a ﬁrst generation 74 Series Recess box without changing the box

out. Kit includes 2 brackets, hardware, and instructions.

• RTG20243 (grey)

For the RTG-95, RTG-84, RTG-64 DV and DVL models*

• RTG20248 - Recess Box for Stucco Applications

For the RTG-64XL, RTG-84XL, and RTG-95XL models*

Rough in Dimensions: 42" High, 14-1/2” Wide, 8-1/2" Deep

*Kits also applicable to models with “-1”

Dimensions: Width and depth of the heater, all are 16-1/2” tall.

• RTG20227 (grey)

For the RTGH-95DV, RTGH-95X, RTGH-90DV, RTGH-90X,

RTGH-84DV, and RTGH-84X models*

• RTG20217DVG (grey)

For the RTG-95DV, RTG-84DV, RTG-64DV and RTG-66DV models*

• RTG20217XG (grey)

For the RTG-95X, RTG-84X, RTG-64X and RTG-66X models*

*Kits also applicable to models with “-1”

Tankless Service Valves

Allow for easy maintenance

and service, such as

flushing, for your tankless

water heater.

AllClear

™

Water

Treatment System

Combat hard water

and scale build up

• RTG20251

AllClear

™

Water

Treatment System

• RTG20252

Replacement

Cartridge

Tankless Remote Controls

Allow for easy temperature

adjustment and maintenance

information access. Connect

up to 3 remote controls, one

of each type, to your tankless

system.

Pressure Relief Valve

Provides protection against excessive

water pressure for your tankless water

heater.

• AP12993C

Watts pressure relief valve,

Rated at 150psi – 3/4" threads

6 | for Rheem, Ruud, Rheem-Ruud, Richmond, EcoSense and Paloma tankless water heaters

Maximum Comfort

Recirculation Pump Kit (Timer Based)

For use with RTGH-84DVLN/XN-1,

RTGH-90DVLN/XN-1, RTGH-95DVLN/XN-1,

RTG-64DVLN/XN-1, RTG-84DVLN/XN-1

and RTG-95DVLN/XN-1

• AP17920

Kit contains:

1) Taco

0015 recirculation pump with internal check

valve, (2) Stainless steel ﬂanges and ﬂange gaskets, (4) 7/16"–14

Bolts and nuts, and (1) Installation instruction sheet