40 gallon water heater keeps leaking from t p valve after using water in house.
T p valve tankless water heater.
Changed out t p valve twice then resorted to changing entire water heater.
This valve can be used with all rheem tankless water heater models.
The tankless water heater should have been installed only by a qualified tagaki approved installer so it should be proper.
If all goes well a tpr valve never gets used except during testing.
Every water heater whether gas or electric needs a temperature and pressure relief valve because without one it could begin to leak or even explode.
Tagaki and others i e.
The valve s sole purpose is to keep the pressure and temperature inside of a tank below certain levels.
The t and p valve which is located on the.
The ap12993c is the equivalent version with the watts 3 4 inch pressure relief valve model 3l 150.
We are here to tell you that it is okay for some water heaters to be without temperature pressure relief valves.
Also known as the temperature and pressure valve this device automatically releases excess pressure in your water heater system.
Bosch noritz etc require a pressure only relief valve on the hot water output.
Gas fired tankless water heaters will usually require a pressure relief valve while electric on demand water heaters may not.
The takagi gas fired tankless water heater manual specifies a pressure relief valve on the hot water outlet.
Here s an excerpt from that manual.
So consult the manufacturer s installation manual.
I was told this is normal.
Fit an adjustable wrench onto the flat portion of the valve and continue to tighten the valve clockwise.
Brand new water heater started leaking from t read more.
Now the t p valve is leaking constant when you use hot water.
On the side or top of your water heater tank is a valve connected to a metal or plastic discharge tube pointing downward.
I have a tankless heater ever since i bought the house 1 5 years ago the t p valve has been discharging slightly when you turn off a hot water tap.
The valve is called a t p valve or tpr valve for temperature and pressure relief.