Instead it is attached with a discharge pipe link with hot water heater.
Hot water heater discharge pipe.
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Hold the tpr valve with the slip joint pliers.
The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank.
This temperature pressure relief valve is not directly attach with the hot water pressure heater.
You may have an issues with the hot water coming out of overflow pipe.
How to install a discharge pipe on a water heater step 1.
An air gap eliminates the possibility of backflow from the drain into the discharge piping.
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.
In most of the disasters caused by hot water heater pipe leaking from the top the trp valve is involved.