Astralpool Temp Sensor Brass Well - Thermostat Well - 1/8"

Astralpool Temp Sensor Brass Well - Thermostat Well - 1/8"

Hurlcon Astralpool Temperature Sensor (thermistor) Brass Well ~9mm (1/8" BSP) thread. Suits all Hurlcon / Astralpool gas pool and spa heaters with Digital Thermostat. Used for these sensors.

• Physically Stocked, unlike most "drop-shipping" websites.
• Shipped from VIC, NSW, WA, QLD

• Shipped Fast from NSW, VIC, QLD.

Fits:

• HX 70, HX 120, HX 150
• JX 130, JX 160
• MX 125, MX 150, MX 200, MX 250, MX 300, MX 400, MX 500
• Viron 250, Viron 350, Viron 450, Viron 550
• HiNRG 175, HiNRG 250, HiNRG 400
• ICI 200, ICI 400, ICI 200B, ICI 400B
• WWDG 250, WWDG 400

Sensor housing brass well also suits Onga, Dega (De-gas) heaters.

• 1/8" BSP thread / ~9mm
• Well OD: ~8.5mm
• Well OD: ~6.25mm
• HASP

For full list of Hurlcon Astralpool gas heater spare parts, see here:
- HX / WX Series
- MX Series
- JX Series
- Viron Series
- HiNRG Series
- ICI Gas Heaters

Manufacturer Catalogues, Diagrams & Part Numbers

Need exploded views, spare part numbers, product numbers, diagrams, or more product information? See the manufacturer catalogues: Astralpool Catalogue 2026 | Zodiac Catalogue 2026

Interactive Parts Diagrams

Find this part on our interactive heater parts diagrams — each one opens the full exploded view and parts list:

• Astralpool / Hurlcon HX 120 Gas Heater — Diagram & Parts