Bradfordwhite Piping Diagram Commercial Gas Three Water Heaters With Top Connections And Return Circulation 33403_3H_TCRC User Manual

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WATER SUPPLY

HOT WATER

SYSTEM RETURN

TEMPERATURE AND

PRESSURE RELIEF VALVE (3)

THREE COMMERCIAL

ATMOSPHERIC VENT

WITH RETURN CIRCULATION SHUT OFF VALVE

BACK-FLOW PREVENTER

EXPANSION TANK*

CIRCULATOR

SHUT OFF VALVE

BACK-FLOW PREVENTER

SHUT OFF VALVE (3)

UNION (3)

DISCHARGE TUBE (3)

CONTROL BOX (3)

FLUE DAMPER (3)

FLOOR DRAIN (3)

SHUT OFF VALVE (3)

UNION (3)

THIS DRAWING SHOWS A SUGGESTED PIPING CONFIGURATION

AND OTHER DEVICES; CHECK WITH LOCAL CODES AND

ORDINANCES FOR ADDITIONAL REQUIREMENTS.

*EXPANSION TANK RECOMMENDED TO MINIMIZE

ANY PRESSURE BUILD UP IF THE WATER SUPPLY

PIPING HAS A BACK-FLOW PREVENTER, CHECK

VALVE OR WATER METER WITH A CHECK VALVE.