Mini Thermowell Assembly is a high quality through-wall spa drywell for accurate thermostat temperature control.
- Drywell (⅜" ID)
- Nut
- Wall gasket
- Rubber split bulb bushing
Product notes: Accepts ¼" to ⅜" diameter probe. 1⅛" mounting hole. For accurate sensing, locate dry well at average depth, midway between waterline and bottom of footwell. Replaces: 400-4427, 400-4420, 400-4428, 09-0044B
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