Instructions / Assembly

59
Recirculation Pump Control
Typical Recirculation Pump Installation with Comfort Valve Kit
Comfort Valve Kit can be used for applications that
DO NOT have a dedicated return line. Comfort Valve
should be installed at the farthest fixture.
Refer to page 57 for maximum allowable equivalent
pipe length.
CAUTION:
Warm water may be present in cold water fixtures and
cold water line during pump operation and a short period
thereafter, when using cold water line as a return line.
USING YOUR WATER HEATER
Power receptacle
should be close to
appliance
Tankless
water heater
power cord
Cold
Cold
To fixture
Hot
Hot
Service
valves
Fixtures
Hot Cold Hot Cold
Cold
water line
Expansion
tank
Install Thermal Bypass
(Crossover) Valve
at the farthest fixture
Cold water
to tankless
water heater
Cold water
supply
(Copper pipe)
Check
valve
Shut-off
valve
Shut-off
valve
(Copper pipe)
Power receptacle
should be close
to appliance
Tankless
water heater
power cord
Install Thermal Bypass
(Crossover) Valve at the
farthest fixture
To fixture
Fixtures
Cold water
line
(Copper
pipe)
(Copper
pipe)
Cold water
to tankless
water heater
Check
valve
Cold Water
Supply
Expansion
Tank
Shut-off
Valve
Shut-off
Valve
Service
Valves
Hot
Hot
Hot Hot
Cold
Cold
Cold Cold
Recirculation Pump