Bradfordwhite Piping Diagram Commercial Gas Two Water Heaters With Three Storage Tanks And Return Circulation 33403_2H_3T_TCRC User Manual

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WATER SUPPLY

TWO COMMERCIAL ATMOSPHERIC VENT

WITH THREE STORAGE TANKS & RETURN CIRCULATION

HOT WATER

SYSTEM

RETURN

TEMPERATURE AND

PRESSURE VALVE (5)

DISCHARGE

TUBE (3)

SHUT OFF

VALVE

DRAIN OUTLET (2)

SHUT OFF

VALVE (2)

SHUT OFF

VALVE

BACK-FLOW PREVENTER

UNION (3)

SHUT OFF VALVE (3)

UNION (3)

CIRCULATOR

SHUT OFF VALVE

CIRCULATION PUMP

EXPANSION TANK*

SHUT OFF VALVE

SHUT OFF

VALVE

UNION (2)

DAMPER (2)

CONTROL

BOX (2)

FLOOR DRAIN (2)

GAS VALVE (2)

FLOOR DRAIN (3)

DISCHARGE

TUBE (2)

BACK-FLOW

PREVENTER

SHUT OFF

VALVE (3)

DRAIN OUTLET (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.