Brass Well for Temp Sensor - Hurlcon Astralpool Jacuzzi Onga Dega Heaters
Hurlcon Astralpool Temperature Sensor (thermistor) Brass Well 1/8" BSP thread. Suits all Hurlcon / Astralpool heaters with Digital Thermostat. Also suits Jacuzzi J-HN250C & J-HN400C heaters.
Sensor housing brass well also suits Onga, Dega (De-gas) heaters.
Where thread has been stripped in plastic hole, you may need to increase it to 1/4" BSP and use an adapter.
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