10
2.
See
Figure #8
for typical piping for domestic hot water
heater.
• Automatic mixing valve must be installed on tankless
heater outlet. Install per valve manufacturer's
instructions.
• Install adjustable flow restrictor in cold water inlet
due to varying water conditions.
3.
See
Figures #9
and
#10
for the suggested piping for
a modular steam boiler.
PIPING FOR BUILT-IN
DOMESTIC HOT WATER HEATER
PIPING FOR BUILT-IN
DOMESTIC HOT WATER HEATER
COLD WATER IN
UNTEMPERED
HOT
FLOW
REGULATOR
TEMPERING VALVE
COLD WATER
DOMESTIC
HOT WATER
T & P VALVE
UNTEMPERED HOT WATER TO
AUTOMATIC WASHER
CONTROL
WATER
INSTALLED BELOW CENTER
LINE OF BOILER HOT
CONNECTION
Figure #8
SUPPLY AND RETURN PIPING
DANGER
Water temperatures exceeding 125°F will cause
severe burns instantly or death by scalding.
!
