Lochinvar Armor AWH0400N Installation & Operation Manual page 42

7
System piping
Figure 7-3 Single Heater - Single Tank
HOT WATER
SUPPLY
STORAGE
The piping will not support the weight of the water heater circulator pump. Do not attempt to support
CAUTION
⚠
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.
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
NOTICE
for all equipment. The installer must follow all manufacturer's instructions for each system component. The
installer is responsible for compliance with local codes.
42
COLD WATER
SUPPLY
T
TANK
BALL VALVE
EXPANSION TANK
(TYPICAL)
BUILDING
FLOW CHECK
RECIRCULATION
VALVE
FILTER
CIRCULATION
FLOW SWITCH
PUMP
MIXING VALVE
DRAIN PORT
Installation & Operation Manual
WATER
HEATER
STRAINER / FILTER
TEMPERATURE &
PRESSURE
RELIEF VALVE
T
TEMPERATURE
GAUGE
UNION
DIR #2000589730 00
BUILDING
RETURN
PIPING