Water Heater Vent Clearance

Water heater vent clearance to wood or combustionable materials.

Water heater vent clearance.

Note some modern high efficiency water heater may have pvc vents. Maintain the recommended air space clearance to combustible materials and building insulation. Single wall vents get very hot requiring a 6 in. 1 inch or 6 inches.

The minimum distance between the single wall vent pipe and combustible materials is 6 the single wall vent pipe cannot be concealed inside the wall or floor. Furnace water heater vent pipe clearance single wall. A certain amount of airflow is also required for proper combustion and ventilation. In an attempt to maximize finished floor space when boxing off the water heater from the rest of the room people often don t leave enough clearance between the new wall framing and the vent pipes.

Complete the vent pipe installation to the water heater s vent connector fittings. Highlights of gas heater vent clearance distances 36 above forced air intakes the exhaust vent terminal shall be located at least 3 feet above any forced air inlet located within 10 feet. 6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material. The building code states that.

A vent pipe is an important part of the gas water heater maintenance don t forget your schedule. Basement finishing projects are notorious for this code violation. Even if you keep the clearances at the entrance and exit from that space whatever section is inside must be double wall type pipe. Use cleaner primer and pvc cement where the vent pipes join the water heater.

A clearance area of 12 inches is required on all sides of a hot water heater. Locate the vent such that there is no less than 12 305mm between the nearest side of a dryer exhaust vent hood and an adjoining wall or building inside corner. Water heaters with power venting come with an electric blower fan often very quiet installed on top of the water heater and can have either vertical or horizontal vent ducts. Water heater vents generally are of two types.

Metal single wall and double wall. Locate the vent such that there is no less than 12 305mm between the bottom of the exhaust vent hood and the ground surface. Cut a hole through the roof and interior ceiling to accommodate the vent pipes. Single wall vent pipes cannot pass through a ceiling floor firewall or wall.