United Spas 1-3/16" HS Thermowell For 1/4" Bulb (TW107) spafilters Using the correct Lasco reducer

Using the correct Lasco reducer can help improve fit and support cleaner plumbing routing

or service record

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

Helps provide manual shutoff and easier service access

Using the correct control pack keeps the heating side of the setup aligned with the rest of the equipment

United Spas 1-3/16" HS Thermowell For 1/4" Bulb (TW107) spafilters Using the correct Lasco reducerThe 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