Can this protector kit be installed without opening the compressor shell

Integrated End Switch: The SPST auxiliary switch allows for seamless communication with the circular pump or boiler burner circuit

outdoor applications require a dedicated weather-shielded housing to prevent moisture ingress

compression-based seal

Grundfos 00519652 Flange Set 321142-301 Can this protector kit beThe Grundfos 00519652 Flange Set is a professional grade 1" FNPT hardware kit engineered specifically for the Grundfos UP Series and UPS Series circulator pumps. As a veteran technician knows, using the correct bronze pump flanges is critical in open loop or potable water systems to prevent the accelerated corrosion and "red water" issues common with standard cast iron components. This GF 15 26 flange kit ensures a leak free, high integrity connection