Isolation Valves & Pressure Relief Valve

Isolation valves are used to isolate a unit for service. The Pressure Relief Valve is to help protect the unit and release if the pressure in the tankless water heater or hot water system exceeds 150 psi.

TK-IV-1  Isolation Valve Kit   T-K1S, T-H1, T-KJr 
TM-IV32 Isolation Valve Kit   TM32 and TM1 
TM-IV50  Isolation Valve Kit   TM50