The Waterway Thermowell 4" Rubber/Stainless from Allied Innovations is a durable temperature-sensing housing designed for spa and hot tub installations. Engineered for both professionals and DIYers, it delivers reliable sensing and a robust seal within Waterway systems.
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Overall length: 4 inches
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Thread size: 5/16 inch
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Material: Rubber/Stainless
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Waterway compatibility: Specifically designed to fit Waterway spa systems
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Construction: Rubber exterior with a stainless insert for corrosion resistance and durability
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Ease of installation: Standard threaded connection for straightforward replacement
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Sealing: Built to minimize leaks and maintain sensor accuracy in wet spa environments
This thermowell helps protect temperature sensors from chemical exposure, heat cycling, and debris common in spa water, extending probe life and maintaining accurate readings for heater control and chemical management. The 4" length and 5/16" thread ensure compatibility with common Waterway installations, making it a practical upgrade for both routine maintenance and professional service. The rubber-stainless construction balances flexibility with durability, delivering a dependable seal and reliable performance over time.
