Bradfordwhite Piping Diagram Commercial Gas Three Water Heaters With Front Connections And Return Circulation 33403_3H_SCRC User Manual

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WATER SUPPLY

HOT WATER

THREE COMMERCIAL ATMOSPHERIC VENT/FRONT

CONNECTIONS WITH RETURN CIRCULATION

UNION (3)

DISCHARGE

TUBE (3)

SYSTEM RETURN

BACK-FLOW PREVENTER

CIRCULATOR

SHUT OFF VALVE

EXPANSION TANK*

FLOOR

DRAIN

(3)

SHUT OFF

VALVE (3)

UNION (3)

TEMPERATURE AND

PRESSURE RELIEF VALVE (3)

FLUE

DAMPER

(3)

CONTROL

BOX (3)

GAS VALVE (3)

DRAIN

OUTLET

(3)

SHUT OFF VALVE (3)

BACK-FLOW PREVENTER

SHUT OFF VALVE

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.