Tankless Water Heater Pressure Relief Valve Installation

Tankless Water Heater Pressure Relief Valve Installation

Tankless Water Heater Pressure Relief Valve Installation

When replacing a pressure-release valve, unplug the power cord to the heater and turn off the supply valves to the water lines. Open the lever on the valve and allow the pressure in the tank to release before disconnecting the discharge line and removing the valve.
FNPT union water heater connections, with ¾” or 1” FNPT or sweat supply and return line. pressure relief valve located on the back of these instructions. 7.
Amazon.com: Rheem Tankless Water Heater AP12993C Pressure Relief Valve: Home. This is a must if you install a Rheem on demand hot water heater.
A pressure relief valve is also required on tankless water heaters per ANSI and CSA standards. When water in the tank heater is heated, the temperature is .
In normal operation of the water heater and T&P valve, no water should be discharged. System Pressure: If installation of a thermal expansion device does not .

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