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APPLICATIONS
Below is a suggested piping diagram. This diagram is just a suggestion. Check with local codes and ordinances
for additional installation requirements. Refer to the water heater manufacturer's website for additional layouts.
Thermostatic mixing valves may be used with tankless water heaters. Consult with the mixing valve manufacturer
for the appropriate mixing valve for the application.
To reduce the risk of scalding, install Thermostatic Mixing Valves (temperature limiting valves) at each point of use.
LEGEND
TEMPERATURE &
PRESSURE RELIEF
VALVE
PRESSURE RELIEF
VALVE
DRAIN
BALL VALVE
CHECK VALVE
COLD
HOT
BUILDING
RETURN
GAS
•
The water heater is suitable for water (potable) heating only and is not available for recir-
NOTICE
culation system.
•
The 240HX3/340HX3/540HX3 models do not have Easy-Link or Multi-Unit capability.
-Standard single unit piping configulation-
HOT WATER
TO FIXTURES
39
STANDARD NON-RECIRCULATION
SINGLE UNIT
PIPING CONFIGURATION
GAS
Page
Installation Manual
Applications
COLD
WATER
SUPPLY
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