Fluidra - Discharge Temperature Sensor for Z650iQ MD8 Heat Pump

Fluidra – Discharge Temperature Sensor for Z650iQ MD8 Heat Pump

This is the genuine Fluidra OEM discharge (exhaust) temperature sensor for the Zodiac Z650iQ MD8 pool heat pump. Mounted on the refrigerant circuit at the compressor outlet, it continuously monitors the discharge gas temperature, feeding real-time data to the unit’s control board to protect the compressor and maintain safe, efficient operation. Replacing a faulty sensor restores accurate thermal monitoring and prevents nuisance shutdowns or undetected overheating.

Compatibility

This sensor is a direct OEM replacement designed specifically for the Fluidra Zodiac Z650iQ MD8 heat pump — a Full Inverter, energy-rated ‘A’ unit built for residential swimming pools. Always verify your model reference and board designation (MD8) before ordering, as the Z650iQ range includes multiple variants that may use different sensors.

Why Genuine Matters

The Z650iQ’s Full Inverter control system relies on precise temperature readings to modulate compressor speed across its four operating modes (Boost, Smart, Ecosilence, and Smart+). A genuine Fluidra sensor is calibrated to the exact resistance-temperature curve expected by the OEM control board, ensuring accurate readings and preventing premature compressor wear or false fault codes that an aftermarket substitute might cause.

Installation

Replacement should be carried out by a qualified pool heating technician familiar with refrigerant-circuit components, as access to the compressor discharge line may require isolating the unit and handling refrigerant. Ensure the heat pump is fully powered down before beginning work, and verify the sensor connector is fully seated after fitting to avoid intermittent fault signals.