Residential Water Heater Closet Dimensions

If your water heater or furnace is in a closet inside your home.

Residential water heater closet dimensions.

How big should this closet be to fit the air handler. But we regularly see dedicated water heater closets packed full of boxes and brooms and mops during home inspections anyway. The centerline of the water closet shall be 16 inches 405 mm minimum to 18 inches 455 mm maximum from the side wall or partition except that the water closet shall be 17 inches 430 mm minimum and 19 inches 485 mm maximum from the side wall or partition in the ambulatory. Air gap under door equal to 18 in 2 0 75 clear ance.

When a residential gas fired water heater is installed in a closet the heater combustion gases must be vented to the outside of the residence and the fresh air needed for combustion. The drawing below shows a 22x22 counter flow air handler cab on a zoned bypass duct system with a demand water heater and a 120 gallon drain back solar all packed into a 28 x 10 4 closet. A 36 inches 915 mm minimum length grab bar mounted 33 36 inches 840 915 mm above the finish floor is required behind the water closet. Size of vent piping depends on several factors so it s a good idea to consult with a specialist to determine size.

The international residential code irc specifically bans a storage closet as a location for a gas water heater. Figure 29 a back wall. Here s the code citation. Not ducted 3 rheem builder class residential hybrid electric water heater.

The vent pipes will need to extend up into the attic at least 14 inches. Water heaters and boilers are residential and commercial appliances that provide a continuous supply of hot water throughout a building for conditioning or washing. We are building a one story home approx 3000 sq ft. I know they vary in size but i just would like to find out a mnimum width.

Codes for a water heater in the closet. It is often desirable to do so in a. The water closet shall be positioned with a wall or partition to the rear and to one side. The project manager plumber solar hvac and electrical folks all had to work together very smoothly to make this work well.

In houses that lack a basement or garage it is necessary to install the water heater somewhere inside the house itself. Grab bars at water closets. The grab bar behind the water closet shall be 36 in 915 mm minimum. Heater air e xhaust m ust be positioned to wards louv er within one f oot of door.

Louv er m ust be located the same height on door as the air e xhaust on heater. The current drawing has a utility closet that is 2 6 x 8. Grab bars at water closets.