Raypak 55A/105B Thermal Cut-Off Fuse Kit [190°] (008126F) 2345valves and this Filbur FC-3746 cartridge

and this Filbur FC-3746 cartridge is designed for C-6622 and PC22 applications

or no longer responds dependably in service

Designed for accurate fit within compatible spa systems

Helps restore intended motor startup support

and this Intermatic version is an SPST 60-minute 20 amp model using the FF60MC reference

Raypak 55A/105B Thermal Cut-Off Fuse Kit [190°] (008126F) 2345valves and this Filbur FC-3746 cartridgeThe Raypak thermal cut off fuse kit is designed for compatible 55A and 105B heater applications where the supported over temperature protection component needs replacement. A thermal fuse kit is useful because it helps protect the heater by interrupting operation when excessive heat conditions occur. This replacement is especially useful when the original fuse has opened, aged, or no longer provides dependable protection. Matching the correct 190