One Commercial Atmospheric Vent with Three Storage Tanks

ONE COMMERCIAL ATMOSPHERIC VENT WITH THREE STORAGE TANKS & RETURN CIRCULATION THIS DRAWING SHOWS A SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.

SHUT OFF VALVE (3)

*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.

UNION (3)

TEMPERATURE AND PRESSURE RELIEF VALVE (3)

UNION (3) SHUT OFF VALVE UNION

HOT WATER

UNION

FLUE DAMPER DISCHARGE TUBE

TEMPERATURE AND PRESSURE RELIEF VALVE

DISCHARGE TUBE (3)

SHUT OFF VALVE (3)

BACK-FLOW PREVENTER

SHUT OFF VALVE

CONTROL BOX

CIRCULATOR

GAS VALVE SHUT OFF VALVE DRAIN OUTLET EXPANSION TANK* FLOOR DRAIN

SHUT OFF VALVE

SYSTEM RETURN WATER SUPPLY BACK-FLOW PREVENTER

DRAIN OUTLET (3) SHUT OFF VALVE

FLOOR DRAIN (3)