Water Heater Drain Pipe Size

Water heater piping installation connections.

Water heater drain pipe size.

504 7 1 pan size and drain 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. The pan shall be drained by an indirect waste pipe having a diameter of not less than 3 4 inch 19 mm. If the water heater is within 6 inches of the drain you can use a pvc pipe or a rubber hose for the drain line. Guide to water heater or geyser installation.

Again for safety of anyone nearby when it goes off. Use an adjustable wrench to connect the pipe from the pipe run to the water heater. A pvc pipe that extends out too. Turn on the main shutoff and open all line valves.

Here we describe the plumbing connections and piping options for hot water system hook ups. We explain the piping for a basic water heater installation compared with options for connecting hot water heaters in parallel in series or ganged. Find a drain pan that is 2 inches wider than the new water heater. 8 termination of the tpr drain pipe cannot be more than 6 inches or less than two pipe diameters above the floor ground or waster receptor flood rim level.

The inspector should demonstrate to the homeowner how the main water supply can be shut off and explain that it can be located at the home s main water supply valve or at the water supply shut off for the appliance on which the tpr is mounted. If the new water heater is 32 inches in diameter purchase a drain pan that is at least 34 inches across. The example shown below with the pipe almost touching the floor will impede the water flow and cause it to splash upwards. Step 4 pick a drain pan that is between 1 and 2 inches deep and has a hole in the side for attaching a drain pipe.