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

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WATER SUPPLY

HOT WATER

SYSTEM RETURN

FLOOR DRAIN (4)

TEMPERATURE AND

PRESSURE RELIEF VALVE (4)

FOUR COMMERCIAL

ATMOSPHERIC VENT WITH

RETURN CIRCULATION

SHUT OFF VALVE

BACK-FLOW

PREVENTER

EXPANSION TANK*

UNION (4)

DISCHARGE TUBE (4)

CONTROL

BOX (4)

FLUE

DAMPER (4)

SHUT OFF VALVE (4)

SHUT OFF

VALVE

CIRCULATOR

SHUT OFF

VALVE

GAS VALVE (4)

OUTLET DRAIN (4)

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.