Water Heater Closet Door Requirements

The door must have weatherstripping and a threshold to prevent air leakage between the closet and the house.

Water heater closet door requirements.

I have an outdoor water heater closet. The afternoon inspection of new construction under construction had them in an upstairs hall. Close off vents in door. The key is that you have to install air inlets so that the furnace or water heater gets the combustion air it needs when it s running.

Code expert glenn mathewson describes 10 common water heater code issues including confusion about drip pans and drains unsupported expansion tanks and plastic vents lack of combustion air and more. What requirements are needed for the new door. I haven t seen it on every project but fairly frequently. Is there a code requirement for the type of door required for a utility closet housing a gas furnace and water heater.

Any help would be appreciated. Be sure to caulk around the seams to make a tight seal. You can do this by attaching a piece of plywood on the back side of the door. Restrictions on gas fueled tankless water heaters no gas appliance may be located in a room used for sleeping a bathroom a clothes closet or in a closet or other confined space opening into or having access from a bedroom or bathroom.

All penetrations must be air sealed as well. In houses that lack a basement or garage it is necessary to install the water heater somewhere inside the house itself. 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. Once your combustion vents have been installed and the ceiling in the closet has been finished out you will want to close off any vents in the door.

Just and exterior door with ventilation. 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. Codes for a water heater in the closet. Thing is i can t find anything in the residential code s that would require that a water heater or furnace room to be fire rated within a single family dwelling.

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