The 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 helps make the repair more accurate and preserves original sensing arrangement.It is a practical service part when restoring a protected and properly positioned sensor interface is part of the repair. United Spas thermowell for 1/4 inch bulb applications Fits compatible 1-3/16 inch hole-size configurations Helps restore protected sensor-bulb placement Useful when the original thermowell is damaged or worn Supports more accurate and dependable sensing setup
