Rinnai CU199i - Page 47

Rinnai Tankless Water Heater Installaon and Operaon 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 Installaon Instrucons
To install the pressure relief valve, follow the steps below.
1. On the boom of the tankless water heater, hand ghten the Pressure Relief Valve Assembly and Gasket to
the Pressure Relief Valve Union Fing.
2. Rotate the Pressure Relief Valve Assembly to the desired accessible posion. With a wrench, ghten the
Union Nut to the Pressure Relief Valve Union Fing.
Pressure Relief Valve
Union Fing
Gasket
Union Nut
Pressure Relief Valve Assembly
The Pressure Relief Valve
Assembly can rotate 360° to
accommodate the applicaon.