Description
The Watts 0153614 Temperature & Pressure Relief Valve model 40L-3 is the safety parts in HVAC systems that helps safeguard water heaters and boilers from over pressure and high temperatures. This valve has 3/4” MNPT inlet connection and FNPT outlet connection, and has a pressure rating of 150 PSI and a better capacity of 1,437,600 BTUh which makes it ideal for large residential and light commercial use. It operates through the following mechanism it has safety limits of temperature and pressure, once either of the two is attained the water discharges from the tank.
