American Water Heater Commercial Gas Water Heaters Storage Tank, HOT Water Outlet

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73

ONE WATER HEATER, SINGLE TEMPERATURE

WITH VERTICAL STORAGE TANK FORCED RECIRCULATION WITH BUILDING RECIRCULATION

WARNING: THIS DRAWING SHOWS SUGGESTED

PIPING CONFIGURATION AND OTHER DEVICES;

CHECK WITH LOCAL CODES AND ORDINANCES

FOR ADDITIONAL REQUIREMENTS.

HOT WATER OUTLET

LEGEND

TEMPERATURE & PRESSURE

RELIEF VALVE

PRESSURE RELIEF VALVE

CIRCULATING PUMP

TANK OR LINE TEMPERATURE

CONTROL

DRAIN

FULL PORT BALL VALVE

CHECK VALVE

TEMPERATURE GAGE

WATER FLOW SWITCH

PIPE T&P TO

OPEN DRAIN

FINISHED

FLOOR

STORAGE TANK

TANK TEMPERATURE

CONTROL

ALT. COLD WATER CONNECTION

LINE TEMPERATURE

CONTROL

HOT WATER

RETURN

COLD WATER

SUPPLY

EXPANSION

TANK

NOTE:

The water heater’s Operating Set Point should be set 5° higher than the Tank Temperature Control in the auxiliary storage tank.