ld atmospheric vent models

THREE RESIDENTIAL/LD ATMOSPHERIC VENT MODELS THIS DRAWING SHOWS A SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.

WATER SUPPLY SHUT OFF VALVE

*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.

BACK-FLOW PREVENTER

UNION

SHUT OFF VALVE EXPANSION TANK*

SHUT OFF VALVE

UNION SHUT OFF VALVE UNION

UNION

SHUT OFF VALVE

TEMPERATURE AND PRESSURE RELIEF VALVE DISCHARGE TUBE

HOT WATER

UNION UNION

DRAIN OUTLET SHUT OFF VALVE UNION

TEMPERATURE AND PRESSURE RELIEF VALVE

DRAIN

DISCHARGE TUBE

DRAIN OUTLET SHUT OFF VALVE

DRAIN OUTLET

DRAIN

TEMPERATURE AND PRESSURE RELIEF VALVE DISCHARGE TUBE

DRAIN