If the water heater is within 6.
Water heater t p valve drain line.
Violating these codes may result in fines voiding your warranty or putting your family at risk.
The purpose of this drain line is to discharge potentially hot scalding water to a safe location so that a bystander is not scalded.
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 amazing electric or gas bill and goes searching for the reason.
If all goes well a tpr valve never gets used except during testing.
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.
The purpose of the relief valve also called tpr valve temperature pressure relief is specifically to prevent over pressure from bursting or exploding the water heater tank.
Understanding water heater installation code requirements can be a real pain.
On the side or top of your water heater tank is a valve connected to a metal or plastic discharge tube pointing downward.
When a water heater is overheating the increase in pressure or temperature or both cause spillage of water at the temperature and pressure relief valve.
Most areas require a drain pan with a drain line under it.
T p valve the.
The valve is called a t p valve or tpr valve for temperature and pressure relief.
The temperature pressure relief valve or tpr valve on any heated appliance that contains water such as a heating boiler hot water tank water heater water cylinder must have a drain line or discharge tube properly installed routed and made of proper materials.
This reduces the risk of water damage from leaks and aids during flushing.
Add a pvc t connection to floor pipe route the drain pan line into the side of the t on a downward slope.
Here s my current plan.
Temperature pressure relief valve discharge tubes drain lines their piping.
Follow local building codes when deciding where to drain any water that drains out of the tank.
The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank.