Operation and Installation Manual
12
DRAIN VALVE
DRAIN VALVE
CONNECTING SUPPLY AND RETURN PIPING
8. 
Typical indirect water heater installation using 
circulators is shown in Figure #9.
9. 
Typical indirect water heater installation using zone 
valves is shown in Figure #10.
Figure #9 - Indirect Water Heater Piping with Circulator
Figure #10 - Indirect Water Heater Piping with Zone Valve










