Fluidra - Refrigerant Reactor – Zodiac Z650iQ MD4 Heat Pump

Fluidra – Refrigerant Reactor – Zodiac Z650iQ MD4 Heat Pump

This is the genuine Fluidra replacement reactor for the Zodiac Z650iQ MD4 pool heat pump. The reactor is an internal refrigerant-circuit component that separates and buffers refrigerant within the heat pump’s refrigeration loop, protecting the compressor from liquid slugging and ensuring a steady, clean refrigerant supply for efficient and reliable operation.

Compatibility

This reactor is a factory-specified spare part for the Zodiac Z650iQ MD4 heat pump — the entry-level model in the Z650iQ Full Inverter range by Fluidra/Zodiac. Always verify your unit’s model reference before ordering, as the Z650iQ range spans multiple output variants (MD4 through TD12) and this part is specific to the MD4 configuration.

Why Genuine Matters

Using a genuine Fluidra reactor ensures the component meets the precise pressure ratings, refrigerant compatibility, and dimensional tolerances required by the Z650iQ MD4’s refrigeration circuit. An incorrect or non-OEM part can compromise compressor protection, reduce energy efficiency, and void your unit’s warranty.

Installation

Replacement of the reactor involves working within the sealed refrigerant circuit of the heat pump and must be carried out by a qualified HVAC or pool heating technician holding the appropriate F-gas certification. Refrigerant must be properly recovered before disassembly and recharged after fitting the new component.