LEGEND
MULTI FLUE - (1 UNIT) WITH MIXING VALVE TWO TEMPERATURE
WARNING: THIS DRAWING SHOWS SUGGESTED
PIPING CONFIGURATION AND OTHER DEVICES;
CHECK WITH LOCAL CODES AND ORDINANCES
FOR ADDITIONAL REQUIREMENTS.
TEMPERATURE & PRESSURE RELIEF VALVE
PRESSURE RELIEF VALVE
CIRCULATING PUMP
TANK TEMPERATURE CONTROL
DRAIN
FULL PORT BALL VALVE
CHECK VALVE
TEMPERATURE GAGE
WATER FLOW SWITCH
37
HOT
WATER
OUTLET
TEMPERED
WATER
OUTLET
TEMPERED
WATER
RETURN
HOT
COLD WATER
SUPPLY
PIPE T&P TO
OPEN DRAIN
COLD
HOT
WATER
RETURN
EXPANSION
TANK
NOTES:
1.Preferred piping diagram.
2.The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the system.
3.Service valves are shown for servicing unit. However, local codes shall govern their usage.