TPR valve leaking, new system.

[Del McMillen]

I put a small 38gal AO Smith water heater in my shop.

The TPR has been leaking since I powered it up...

The incoming pressure is 40-60psi measured at the pressure tank by the well and expansion tank. This system is piped directly from the well to the shop.

The only thing I can figure is that I have a bad TPR from the factory?

Any advice appreciated.

 

[Phog]

If you have a check valve, you need to make sure you're seeing the pressure on the downstream side (a check valve will isolate everything upstream of it). If the gauge is reading the correct tank pressure them yes you have a faulty TPR. If the gauge is isolated by a check valve then you might have high pressure caused by thermal expansion & need an expansion tank.

 

[Sponsor]

 

[Del McMillen]

I have an expansion tank and there is no check valve. I really dont even need the expansion tank due to the presence and proximity of the pressure tank. The water heater is right next to the well.

Il swap out the tpr in the morning.

 

[Jadnashua]

THere could just be some debris caught on the seals of the TPR, and a good flush will dislodge it.