Rheem Tankless Mid-Efficiency 95 Direct Vent Indoor, Tankless Mid-Efficiency 95 Outdoor, Tankless Mid-Efficiency 84 Direct Vent Indoor, Tankless Mid-Efficiency 84 Outdoor, Tankless Mid-Efficiency 64 Direct Vent Indoor User Manual

Extras Guide

Tankless Gas Water Heaters

CUST MIZE

YOUR TANKLESS INSTALLATION

Accessories,
Manifold Systems
and Venting

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Tankless Accessories

Cosmetic Pipe Covers

These cosmetic pipe covers enhance the
installation of the water heater. Provides
protection from tampering and weather.

• RTG20227 - Fits RTGH Series

Indoor or Outdoor Condensing Models

• RTG20217DVG - Fits RTG DV

Series Indoor Tankless Models

• RTG20217XG - Fits RTG X Series

Outdoor Tankless Models

Outdoor Recess Box

These allow you to mount an outdoor
tankless into the wall, flush with
the outside of the home. They are
weather resistant and can be locked
for security.

• RTG20226 - Fits RTGH X Series

Outdoor Condensing Models

• RTG20218 - Fits RTG X Series

Outdoor Tankless Models

Remote Controls

• RTG20006DW -

UMC-117 main remote control

• RTG20006DU -

USC1-117 bath remote control

• RTG20006DV -

USC2-117 second bath remote contol

• RTG20009-1 -

10 ft. thermostat wire 1 pair 18AWG

Service Valves

Webstone Brand Tankless Service Valves

• RTG20220AB - Clean Brass for

California Low Lead Code

• RTG20220 - Standard Brass

Includes Cold and Hot Water set and Pressure
Relief Valve.

See the Tankless Parts and Accessories Catalog for additional options and accessories.

Flush Kit

The Tankless Flush kit connects to the
service valves for an easy way to flush and
de-scale your tankless water heater.

• RTG20214

Includes pump, hoses and 5 gallon bucket.

Tankless Manifold Systems

Commercial and Multi-Unit Systems

Combine multiple units, up to 20, for the most demanding applications.Upgrade standard units for commercial operation

with temperatures up to 185°F and a 5-year commercial warranty.

MIC-6 Manifold Controller

Connect up to 6 tankless water heaters
together in a single manifold. This kits mounts
inside a single tankless unit and connects up to
5 additional units for a total of 6 heaters.

• RTG20213A - MIC-6

Includes (1) 1ft Control Cable, (1) 6ft Control Cable,
additional Type Q Cables are needed for 3 to 6 units.

Manifold Control Cables (Type Q)

One required for each tankless water heater
installed in a manifold. Connects a single
tankless water heater to the MIC-6 Controller.

• RTG20213B - MIC-Q-1 1ft Control Cable

• RTG20213C - MIC-Q-6 6ft Control Cable

• RTG20213D - MIC-Q-18 18ft Control Cable

These cables will not fit the MIC-185 Controller.

MIC-185 Manifold Controller

Connect up to 6 tankless water heaters together in a single manifold. This system includes
it’s own weather proof cabinet for indoor and outdoor applications. This system can control
up to 6 water heaters and with the MICS-180 can be expanded up to 20 water heaters.

• RTG20126A - MIC-185

Includes installation cabinet for indoor or outdoor applications and power cord.

MICS-180 Manifold Controller Expansion Card

Add on card for the MIC-185 to connect up to 20 units in total.

• RTG20126B

Installations of 7 to 20 require this expansion card. Mounts inside the MIC-185 cabinet, includes hardware
to install.

Manifold Control Cables (Type K)

One required for each tankless water heater installed in a manifold. Connects a single
tankless water heater to the MIC-185 Controller or MICS-180 expansion card.

• RTG20126C - MIC-K-16 16ft Control Cable

• RTG20126D - MIC-K-32 32ft Control Cable

• RTG20126E - MIC-K-65 65ft Control Cable

These cables will not fit the MIC-6 Controller.

EZ-Link™ Cable

Easily connect two tankless units together. When connected the units will operate as a single system.
Compatible with all current models.

• RTG20040

Must use two identical models.

See the Tankless Parts and Accessories Catalog for Commercial Upgrade Kits.

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IN TEG RAT ED HOM E C OMF ORT

Residential Gas

Water

Tankless Water Heaters

Tankless Venting

Direct Vent Kits for Condensing Tankless Water Heaters RTGH-95DV and RTGH-84DV

Horizontal Termination Kit

11-3/4 inch wide, 8 inch tall, 2-1/2 inch
deep. Fits PVC, ABS piping. Offers
a clean installation of the intake and
exhaust pipe of the condensing tankless
water heater.

• SP20286 for 3 inch PVC

• SP20285 for 2 inch PVC

Direct Vent Kits for RTG-64DV, RTG-84DV and RTG-95DV

Horizontal Vent Kit

Low profile cone design for concentric
direct vent systems. Includes 90-degree
elbow, short low profile termination,
installation screws.

• RTG20231 - up to 6” thick walls

• RTG20234 - up to 8” thick walls

Economy Vent Kit

• RTG20210 - up to 10” thick walls

Horizontal or Vertical
Concentric Vent
Termination Kit

39 inches long, 4 1/2 inch diameter
pipe, requires 5 inch hole or flashing.
Use for a single pipe penetration
through a wall or roof.

• SP20245 for 3 inch PVC

Vertical Vent
Termination Kit by
Metal Fab, Inc.

Contains: storm collar, 6/12 to
12/12 pitched cone flashing,
vertical termination with rain
cap. Does not include vertical
vent pipe.

• RTG20211

Complete Your Installation with Venting Components and Accessories

6" Vent Length

5.66" overall length

• RTG20151W

12" Vent Length

11.66" overall length

• RTG20151R

24" Vent Length

23.66" overall length

• RTG20151C-1

36" Vent Length

35.66" overall length

• RTG20151D-1

See the Tankless Parts and Accessories Catalog for more options.

In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.

Rheem Water Heating • 101 Bell Ro ad

Montgomery, Alabama 36117-4305 • 1.800.621.5622

Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1

90-Degree Elbow

8.1" rise – 8.1" run

• RTG20151A-1

Wall Hanger

2-point pivot mounting

• RTG20151H

Brampton, Ont ario L6Y 0P5 • 1.800.268.6966

45-Degree Elbow

8.6" rise – 3" run

• RTG20151B-1

Wall Thimble

17" wide for up to 6" deep
walls, with drywall and
stucco rings, ideal for new
construction

• RTG20151Z

PRINTE D IN U.S.A. 02/12 WP FORM N O. 101-70-1 0 Rev. 4

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