Installation & Operation Manual
16
3
System piping
NOTICE
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
Indoor tank shown for illustration purposes.
The piping will not support the weight of the water heater circulator pump. Do not attempt to support
the weight of the water heater circulator pump with the piping or its accessories. Refer to the pump
manufacturer’s installation instructions. Failure to comply could result in severe personal injury, death, or
substantial property damage.
CAUTION
BUILDING
RETURN
COLD WATER
SUPPLY
HOT WATER
SUPPLY
STORAGE
TANK
WATER
HEATER
FLOW CHECK
VALVE (TYPICAL)
MIXING VALVE
THERMOMETER
UNION
(TYPICAL)
TEMPERATURE
& PRESSURE
RELIEF VALVE
DRAIN
Y-STRAINER
(RECOMMENDED)
BALL VALVE
(TYPICAL)
WATER
HEATER
CIRCULATOR
FLOW SWITCH
IMG00302
Figure 3-6 Single Heater - Single Tank