Installation Sheet
Rinnai Tankless Water Heater Installaon and Operaon Manual 47
DO NOT use pipe dope or thread sealant on union ng with gasket.
NOTICE:
NOTICE:
Be careful not to lose or throw away the gasket.
Pressure Relief Valve Installaon Instrucons
To install the pressure relief valve, follow the steps below.
1. On the boom of the tankless water heater, hand ghten the Pressure Relief Valve Assembly and Gasket to
the Pressure Relief Valve Union Fing.
2. Rotate the Pressure Relief Valve Assembly to the desired accessible posion. With a wrench, ghten the
Union Nut to the Pressure Relief Valve Union Fing.
Pressure Relief Valve
Union Fing
Gasket
Union Nut
Pressure Relief Valve Assembly
The Pressure Relief Valve
Assembly can rotate 360° to
accommodate the applicaon.