Fernox TF1 Sigma UB 22 mm Under Boiler Filter 62631 Magnetic Central Heating Compact Inline Sludge and Magnetite Remover

Compact Under Boiler Design: Engineered to fit directly beneath boilers where space is limited supporting a neat installation without bulky pipework changes Magnetic Sludge Removal: High-strength magnet captures magnetite and circulating debris helping protect boilers pumps and valves from internal wear and blockages Check Compatibility: Designed for 22 mm pipework and suitable for selected boilers only this under boiler filter is not a universal fit please check compatibility list before purchase Supports Heating Performance: Helps reduce sludge build-up that can restrict water flow supporting improved heat distribution and more consistent radiator output Easy Installation and Maintenance: Designed for straightforward fitting and simple cleaning access without requiring a full system drain down saving time during servicing Long Term System Protection: Helps maintain cleaner system water reducing strain on key components and supporting ongoing heating system reliability