T P Valve Tankless Water Heater

Fit an adjustable wrench onto the flat portion of the valve and continue to tighten the valve clockwise.

T p valve tankless water heater.

Now the t p valve is leaking constant when you use hot water. The valve s sole purpose is to keep the pressure and temperature inside of a tank below certain levels. I was told this is normal. 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. Bosch noritz etc require a pressure only relief valve on the hot water output. Tagaki and others i e. Screw the valve into the port on the lower edge of the tankless heater by hand.

The ap12993c is the equivalent version with the watts 3 4 inch pressure relief valve model 3l 150. So consult the manufacturer s installation manual. 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. They wonder if the missing valve makes the tankless water heaters less efficient or prone to break downs.

If all goes well a tpr valve never gets used except during testing. Gas fired tankless water heaters will usually require a pressure relief valve while electric on demand water heaters may not. The tankless water heater should have been installed only by a qualified tagaki approved installer so it should be proper. The t and p valve which is located on the.

We are here to tell you that it is okay for some water heaters to be without temperature pressure relief valves. The valve is called a t p valve or tpr valve for temperature and pressure relief. On the side or top of your water heater tank is a valve connected to a metal or plastic discharge tube pointing downward. Also known as the temperature and pressure valve this device automatically releases excess pressure in your water heater system.

This valve can be used with all rheem tankless water heater models. 40 gallon water heater keeps leaking from t p valve after using water in house. Brand new water heater started leaking from t read more.