Water Heater Drain Pan Size Requirements

If the water heater thermostat fails to turn off at its temperature setting and continues to heat the water indefinitely the tpr valve will open and let the overheated water out.

Water heater drain pan size requirements.

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. Shut off the water lines leading to and from your water heater. For this reason their significant dimensional size when it comes to a hot water heater pan is the water heater s diameter. Measure the circumference of the water heater you plan to install.

This reduces the risk of water damage from leaks and aids during flushing. The pan shall be not less than 1 1 2 inches 38 mm in depth and shall be of sufficient size and shape to receive all dripping or condensate from the tank or water heater. This causes the tanks to leak and in some cases. Find a drain pan.

The manufacturers of the hot water heaters will describe the size of their tanks in volume based on gallons. 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. If you have an electric water heater you should turn off the. As water heaters age the inside tanks that contain water can weaken from rust and corrosion.

The water heater pan comes with drain fittings to make installation quick and easy. But if the termination of the piping is not readily visible such as if it is located under the house the water will continue to drain until the homeowner gets an. Disconnect the service lines attached to your heater. How to install a drain pan under an existing water heater.

Installing a drain line for a hot water heater pan. The low cost and above average quality make this pan perfect for many consumers. Drain pan while always a good idea most areas require a drain pan with a drain line under it. It measures 24 inches on the outside and 22 inches on the inside.

A drain pipe should be connected to the side of the pan made of material rated for water supply pipe which means that pvc is not acceptable. Hot water heater sizes. A drain pan is not required for a water heater in a garage. This reduces the risk of water damage from leaks and aids during flushing.

Place a tape measure on the top outside edge of the water heater and measure across to the opposite side. Water heaters commonly come in a circular or cylindrical shape like a round tank. Made of durable aluminum this drain pan is perfect for gas water heaters. The existing water heater might be smaller.