Turn the valve clockwise one additional turn to point the tpr.
Hot water heater discharge pipe.
Brush pipe joint compound on the threads on the tpr valve using the brush supplied with the pipe joint compound.
This pipe is responsible for routing hot water released from the tpr to a proper discharge location.
An air gap eliminates the possibility of backflow from the drain into the discharge piping.
Instead it is attached with a discharge pipe link with hot water heater.
You may have an issues with the hot water coming out of overflow pipe.
Hold the tpr valve with the slip joint pliers.
How to install a discharge pipe on a water heater step 1.
Select 2 to 4 items to compare.
1 the discharge pipe cannot be directly connected to the home s plumbing drainage system but an air gap located in the same room as the water heater can used to connect to the drainage system.
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