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5PRODUCT GUIDE | COMMERCIAL CONDENSING TANKLESS WATER HEATERS
SAVE TIME
PVC Venting Compatible
Vent with 2", 3" and 4" PVC, saving time and money
Easy To Service
Access all parts of the heater with just a Phillips-head screwdriver
Built-In Condensate Neutralizer
Industry First!
Safely dispose of condensate without extra installation cost
and time
Half-Inch Gas Line Compatible up to 24 ft.
1
Saves money and time on installation to an existing system
Freeze Protection
Industry Best!
Ceramic heaters on copper pipes protect from 40ºF to -30ºF,
allowing outdoor installation
1
2
3
4
5
INSTALL MORE
Overheat Film Wrap
RHEEM EXCLUSIVE
Safety feature prevents dangerous temperatures allowing
industry-best, 1/2" side-to-side clearance to combustibles
Low Flow Activation
Industry Leading!
Minimum flow rate of .26 GPM and activation flow rate of
.40 GPM ensures hot water in low demand situations
Six Stage Modulating Burner
Tight control over burner energy efficiency
EcoNet
®
Enabled
All models from 2010 to present can connect
to EcoNet mobile app via Tankless EcoNet
Accessory Kit (REWRA630TWH)
Manifold-Ready
Models with manifold control easily connect up to 20 units
with no additional accessories required
6
7
8
9
10
Air Intake
(PVC Venting)
Exhaust
(PVC Venting)
Condensate
Neutralizer
Discharge
Outlet
3/4" Hot
Water
Outlet
External
Connection
for Remote
Control Cable
3/4" Cold
Water
Inlet
3/4" Gas
Connection
4
5
8
1
2
6
3
7
INDOOR DIRECT VENT
4
5
8
2
6
3
7
OUTDOOR
Condensate
Neutralizer
Discharge
Outlet
3/4" Hot
Water
Outlet
External
Connection
for Remote
Control Cable
3/4" Cold
Water
Inlet
3/4" Gas
Connection
1
Based on Rheem testing of 1/2" gas line with gas supply of 7" w.c. up to 24'; Installation conditions vary; Consult the Rheem
®
Use and Care Manual, the Rheem
®
Gas Piping Facts brochure (TK-GPF-12),
the National Fuel Gas Code (NFPA 54, ANSI Z223.1), and any other local gas codes when installing a Rheem Tankless Water Heater.