Rheem RTGH-RH10DV, Use And Care Manual, Page: 48 / 86

AP18733 REV. 3.2.17
48
bYPS Recirculation Mode may be used with
a cross over valve assembled at the furthest
fitting
NOTE: These drawings are meant to show system piping concept only. Installer is responsible for all equipment and detailing
required by local codes.
Figure 28 – Other Piping Configuration
Primary heat
exchanger
Burner
Air & Gas
Mixing
Recirculation
Pump
Secondary heat
exchanger
Pressure Relief Valve
Hot W
ater Oulet
Condensate Hose
Cold W
ater Inlet
Gas
Expansion Tank
(Install according to local code)
Preheat or Internal Recirculation Mode may
be used without an installed recirculation
pipe. The water heater is preheated and
protected from freezing.
Preheat or Internal Recirculation Mode
Figure 27 – Preheat or Internal Recirculation Mode
Air & Gas
Mixing
Primary heat
exchanger
Burner
Secondary heat
exchanger
Recirculation
Pump
Pressure Relief Valve
Hot W
ater Oulet
Condensate Hose
Cold W
ater Inlet
Gas
Expansion Tank (Install
according to local code)
Cross Over Valve
bYPS Recirculation Mode with Cross
Over Valve
Recirculation Line