Water Heater Vent Pipe Clearance To Combustibles

Fire clearance for single wall metal flue vent connectors.

Water heater vent pipe clearance to combustibles.

It will complete the information about the furnace and the water heater vent pipe clearance requirements. Maximum horizontal section of the furnace water heater double wall vent pipe cannot be longer than 100 of the vertical vent pipe length. 6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material. 9 is a typical clearance between a gas fired boiler or furnace flue connector and combustibles.

Fire clearances required range from 6 to 36 depending on the equipment. Single wall vent pipes cannot pass through a ceiling floor firewall or wall. 1 inch or 6 inches water heater vents generally are of two types. Flue vent connector clearance distances.

Single wall vents get very hot requiring a 6 in. Home plumbing water heater water heater vent clearance to wood or combustionable materials. For gas fired water heater vents. Typical listed and labeled double wall vent pipe clearance to combustible materials is one inch but you should always check before installation.

Distance from the flue vent connector of flue pipe to combustibles chimney clearances. Note some modern high efficiency water heater may have pvc vents. Most common gas vent if you are using a b vent typically a double walled air insulated vent for gas appliances typically you ll see a fire clearance stamped right into the metal of the chimney stating 1 inch minimum clearance to combustibles as you ll see in this photo. 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.

These questions answers about fire clearance distances for gas fired heating appliance flues. Basement finishing projects are notorious for this code violation. Inadequate fire clearance from combustibles may not be obvious until you open a door such as our client is pointing out in this photograph. Round type b gas vent 18 3.

1 clearance to combustibles in single and multi family dwellings. Metal single wall and double wall. Some have 0 some have 1 2 and others have 1 clearance around combustibles also some say do not insulate as the temperature will damage the pipe and some say to insulate if it passes through a unheated space others say only leave the first 3ft exposed and must be cpvc. Aluminum 020 inner wall galvanized 021 outer wall.

Furnace water heater vent pipe clearance double wall.