Gas Water Heater Vent Pipe Clearance

This article series describes b vent metal chimneys used for gas fired appliances.

Gas water heater vent pipe clearance.

Gas appliance direct vent clearances distances from direct gas vent to building features sidewall vent direct vent direct exhaust systems for gas fired heaters water heaters other appliances. We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys. Type b vents ceiling floor wall clearances b vent clearances to combustibles clearance distances for a b vent to combustible materials in floors walls ceilings attics roofs. Gas meter gas pipe clearance distances.

Water heater vent pipe clearances and restrictions. Table illustrations of the required space between a direct or side wall vent for a gas fired heating appliance and building windows doors corners gas meter air intakes sidewalks balconies. This article provides a detailed table of example clearance distance specifications for natural gas meter installations giving the distances to various building features such as windows doors electrical components vents air conditioners and outside hose bibs. Single wall vent pipes cannot pass through a ceiling floor firewall or wall.

Maximum horizontal section of the furnace water heater double wall vent pipe cannot be longer than 100 of the vertical vent pipe length. Single wall gas water heater vent pipe connector cannot be installed closer than 6 from any combustible materials such as floor wall framing paper etc. All water heaters that burn natural gas or liquid propane lp gas require a venting system. Installing a tank water heater might seem easy but homeowners who refinish their basements often create a number of code violations with respect to the water heater.

When a gas fire water heater is installed in a closet it should have a minimal 1 inch clearance between it and any combustible material such as wall framing or wall finish. Typical listed and labeled double wall vent pipe clearance to combustible materials is one inch but you should always check before installation. For gas fired water heater vents. Gas service line trench features are also described.

Such installation could create pyrophoric conditions and a fire hazard. The process of burning of the gas is called combustion and it creates heat exhaust gases including highly poisonous carbon monoxide and moisture the water heater s ventilation system removes these byproducts from the home making it a critical safety feature.