United Spas 1-3/16" HS Thermowell For 1/4" Bulb (TW107) spafilters A replacement filter cartridge helps

A replacement filter cartridge helps provide the debris-capture surface needed inside a compatible spa or pool filtration system

PresAir Trol TinyTrol SPNO latching air switch

Keeping the valve connection consistent usually makes service cleaner and more efficient

This type of part is especially useful when the original dial is broken

Helps provide manual shutoff and easier service access

United Spas 1-3/16" HS Thermowell For 1/4" Bulb (TW107) spafilters A replacement filter cartridge helpsThe United Spas thermowell is designed for compatible applications using a 1 3 16 inch hole size and a 1 4 inch sensing bulb. Thermowells are useful because they provide a protected sensing location for the bulb while helping preserve proper placement within the system. This replacement is especially useful when the original thermowell is damaged, corroded, or no longer holding the sensing bulb correctly. Matching the correct hole size and bulb format