Install Instructions

Installation & Operation Manual
40
6 System piping
NOTICE
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
Figure 6-5 Single Heater - Single Tank (2 Temperature)
FLOW CHECK
VALVE (TYPICAL)
EXPANSION
TANK
THERMOMETER
140° HOT
WATER
SUPPLY
DRAIN
TEMPERATURE
& PRESSURE
RELIEF VALVE
(TYPICAL)
FLOW
SWITCH
WATER
HEATER
CIRCULATOR
STORAGE
TANK
WATER
HEATER
UNION
(TYPICAL)
BALL VALVE
(TYPICAL)
MIXING VALVE
Y-STRAINER
COLD
WATER
SUPPLY
LOW
TEMPERATURE
BUILDING
RETURN
HIGH TEMPERATURE
BUILDING RETURN
180° HOT
WATER
SUPPLY
DIR #2000570321_000
BUILDING RECIRCULATION
FILTER (IF REQUIRED SEE
START-UP SECTION)
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment. The installer must follow all manufacturer’s instructions for each system component. The
installer is responsible for compliance with local codes.