hey guys i just looked at a job and the basement is a rental. they have a natural draft water tank, and a mid eff furnace in a tiny closet by the kitchen. I read the code and i can't have it in bedrooms and washrooms but what about a kitchen as its still a living space sort of.
Can we put back in a new natural draft tank and keep the mid furnace or both have to be changed out to a high eff furnace and a single pipe PV Hot water tank?
It may not even meet code requirements in the closet its in anyways, what kind of combustion air supply is being provided to the enclosure?
I don't know of any codes that prevent a water heater from being installed in a kitchen. I only see codes preventing water heaters being installed in bedrooms & bathrooms, or enclosures accessed by bathrooms, I don't however see any codes preventing a furnace from being installed in a bathroom or bedroom. This of course I am talking about non-direct vent appliances.
Can anyone else chime in on where you can and cant install a furnace or water that is non direct vent.
If the tiny closet had an adequate chimney, combustion air supply and the clearances were satisfied, I don't see a problem.
Without a seperate enclosure there are certain Building Codes to consider if there are nearby return air openings.
Quote6.2.3.20 - (6) Return-air inlets shall not be installed in an enclosed room or crawl space that provides combustion air to a fuel-fired appliance.
Quote6.2.4.7 - (13) Return-air inlets shall not be installed in an enclosed room or crawl space that provides combustion air to a furnace.
Clause 7.27.1,
Quote7.27.1
A water heater, unless of the direct-vent type, shall not be installed in a bathroom, bedroom, or any enclosure where sleeping accommodation is provided.
A power vent water heater may be installed in an enclosure adjacent to a bedroom or bathroom provided adequate combustion air per clause 8.2.6 is provided to the enclosure. This combustion air supply shall not be supplied from the bedroom or bathroom.
A natural draft water heater may be installed in an enclosure that is accessed by a pedestrian door which can be opened from a bathroom or bedroom, provided that the enclosure has a volume equal to or greater than the bathroom or bedroom.