45
NOTES:
1. Preferred piping diagram.
2. The temperature and pressure relief valve setting shall not exceed pressure rating o f any component in the system.
3. Service valves are shown f or servicing unit. However, local codes shall govern their usage.
4. The Tank Temperature Control should be wired to and control the pump between the water heater(s) and the storage tank(s).
5. The water heater ’s operating thermostat should be set 5 degrees F higher than the Tank Temperature Control.
MULTI-FLUE (3 UNITS) WITH VERTICAL STORAGE TANK
LEGEND
TEMPERATURE & PRESSURE
RELIEF VALVE
PRESSURE RELIEF VALVE
CIRCULATING PUMP
TANK TEMPERATURE CONTROL
DRAIN
FULL PORT BALL VALVE
TEMPERATURE GAGE
WATER FLOW SWITCH
CHECK VALVE
WARNING: THIS DRAWING SHOWS SUGGESTED
PIPING CONFIGURATION AND OTHER DEVICES;
CHECK WITH LOCAL CODES AND ORDINANCES
FOR ADDITIONAL REQUIREMENTS.
TO FIXTURES
HOT WATER
RETURN
ALT. COLD WATER
CONNECTION
AOS
STORAGE TANK
HOT WATER
HEATERHEATERHEATER
FINISHED FLOOR
COLD WATER
SUPPLY
EXPANSION TANK
PIPE T&P TO
OPEN DRAIN
PIPE T&P TO
OPEN DRAIN
PIPE T&P TO
OPEN DRAIN
PIPE T&P TO
OPEN DRAIN