FOUR eF COMMERCIAL GAS MODELS

FOUR eF COMMERCIAL GAS MODELS

UNION (4 PLS.) SHUT OFF VALVE (4 PLS.)

HOT WATER

**INTAKE VENT PIPE (4 PLS.) EXHAUST VENT PIPE (4 PLS.)

TEMPERATURE AND PRESSURE RELIEF VALVE (4 PLS.)

DRAIN OUTLET (4 PLS.)

DISCHARGE TUBE (4 PLS.)

CONDENSATE TRAP (4 PLS.)

WATER SUPPLY

SHUT OFF VALVE (4 PLS.)

BACK-FLOW PREVENTER

UNION (4 PLS.)

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. **AIR INTAKE PIPE OPTIONAL.

EXPANSION TANK*

DRAIN

UNION