As a primary combustion chamber component

Robust Pressure Rating: UL listed for 650 psig

RK5 fuses have rejection features that prevent lower-rated fuses from being installed in RK5-specific blocks

ensuring a precise match for shell-band mounting and 48-frame specifications

Watts 0121602 Valve R-22 As a primary combustion chamberAs a veteran HVACR technician, you know that safeguarding high capacity commercial water systems requires a reliable 2 in 1 solution. The Watts 0121602 (Series LF340 3) is a heavy duty lead free temperature and pressure relief valve designed specifically for large scale domestic hot water heaters and storage tanks. This valve features a robust 1. 5 inch NPT female inlet and outlet, ensuring it can handle the significant discharge capacities required