Tankless Water Heater In Attic Code

When installed water heaters must be equipped with a drain pan at least 1 5 inches deep large enough to catch condensation and other drips from any spot on the bottom of the water heater.

Tankless water heater in attic code.

Replacing your tank type water heater in the attic with a tankless unit is a much safer alternative and one that nick s plumbing and sewer services would be happy to discuss with you. Gas tankless water heaters don t have to use indoor air for combustion. I randomly picked san jose california as an imaginary location for us to do our home installation. The first permit is for the water heater itself.

Since it would not be economical of me to provide the codes for every town in the united states and canada let me just give an example. Cpc 508 4 required access clearances to combustibles and vent termination location per manufacturer s instructions. 7 there must be an approved drip pan with a minimum 3 4 dia drain line that is run outside and terminated by code specification or it must terminate in an approved indirect waste. Installing both tank type tankless water heaters in the attic has been a common practice if florida calif and other regions in the sun belt for years.

You re only looking at 20 to 100 out of pocket as opposed to several hundred dollars to call in a plumber. Tankless water heaters can be vented in two ways. The installation code for a tankless water heater varies a lot by location. 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.

Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements. 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. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Not installed in attic or other spaces where damage may result from a leaking water heater without an approved safe pan beneath the water heater with a minimum inch drain to an approved readily visible location.

Tankless water heater location code. This drain pan must be equipped with a pipe at least 3 4 of an inch in diameter which drains into a floor drain. This is as easy as heading down to the local planning or building department to ask for one. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.

Attics containing a water heater shall be provided with an opening and unobstructed passageway large enough to allow removal of the water heater. The passageway shall be not less than 30 inches 762 mm in height and 22 inches 559 mm in width and not more than 20 feet 6096 mm in length when measured along the centerline of the passageway from the opening to the water heater.