Installation and Operation Manual

Rinnai Tankless Water Heater Installation and Operation Manual 53
4.8.2 Instructions

 Pressure Relief Valve Assembly
and Gasket to the Pressure Relief Valve Union Fitting
 Rotate the Pressure Relief Valve Assembly
tighten the Union Nut to the Pressure Relief Valve Union Fitting

Union Fitting
Gasket
Union Nut
Pressure Relief Valve Assembly




Figure 55
• 
• 
IMPORTANT