Water Treatment

The Wyndam Branded 22mm Electrolytic Water Conditioner is designed to reduce limescale build-up in domestic water systems, protecting plumbing and appliances. Ideal for 22mm pipework, it prevents scale formation by altering the properties of hard water minerals, ensuring longer-lasting efficiency for your water system.

The Wyndam Branded 22mm Heating Filter is designed to protect your central heating system by capturing debris, sludge, and other contaminants. Suitable for 22mm pipework, this heating filter improves system efficiency, prevents blockages, and extends the lifespan of your boiler and radiators.

Fernox Antifreeze Protector Alphi-11 is a combined antifreeze and corrosion inhibitor designed to protect domestic central heating systems against freezing, internal corrosion and limescale formation.

Alphi-11 contains mono-propylene glycol and provides frost protection while helping to maintain the long-term efficiency and lifespan of the heating system. It is suitable for use with all common heating system metals and materials, including aluminium.

A minimum in-use concentration of 25% is recommended to provide adequate corrosion protection. At this concentration, Alphi-11 provides frost protection down to -11°C. Increasing the concentration to 40% provides protection down to -22°C.

Alphi-11 is suitable for heating and chilled-water systems and is compatible with other Fernox products. For new or untreated systems, Fernox recommends thoroughly cleaning and flushing the system with Fernox Cleaner F3 before adding Alphi-11.

The Wyndam Branded Mini Compact 22mm Heating Filter is an essential addition to your central heating system, designed to trap debris and sludge effectively. Its compact design fits seamlessly into tight spaces while ensuring optimal performance and improved efficiency. Protect your boiler and radiators from blockages and extend their lifespan with this reliable heating filter, suitable for 22mm pipework.

CalMag 22mm Compression Magnetic Scale Inhibitor for preventing limescale formation in cold water lines. Supplied with 22mm compression fittings and adaptable for push-fit connections, it provides whole-house scale protection without chemicals or additives. Maintenance-free and requiring no earth bonding, with a maximum working pressure of 12 bar and temperature of 80°C.

Delivery: Tracked 48 £2.99 (2–3 working days) or Tracked 24 £4.00 (1–2 working days). Free collection from our Wellingborough branch.

The Fernox TF1 Omega Filter 22mm Slip Socket is a high-performance in-line central heating system filter designed to protect domestic heating systems from circulating corrosion debris, sludge, scale and installation contaminants.

Its precision-engineered design combines powerful neodymium magnetic filtration with Fernox Hydronic Particle Separation (HPS) technology to capture both magnetic and non-magnetic contaminants from system water.

The compact design makes the TF1 Omega particularly suitable for installations where space is restricted. It can be installed on horizontal or vertical 22mm pipework, in either flow direction, and can be positioned at up to 45° from vertical where required.

The nickel-plated forged brass construction provides a robust and durable filter body, while the sealed design allows the filter to be cleaned quickly without dismantling the unit.

The TF1 Omega is ideally installed on the return pipe to the boiler and can also provide a convenient dosing point for Fernox Express water treatment products.

The filter is backed by a 25-year warranty from Fernox.

The Fernox TF1 Omega Filter is a high-performance, compact in-line magnetic filter designed to protect domestic central heating systems from circulating corrosion, scale and installation debris.

The TF1 Omega combines powerful magnetic filtration with Hydronic Particle Separation (HPS) technology to capture both magnetic and non-magnetic contaminants from system water. Its compact design makes it particularly suitable for installations where space is restricted.

This 22mm version is supplied with valves, making installation and servicing straightforward. The filter can be fitted to horizontal or vertical pipework, in either flow direction, and can be positioned up to 45° from vertical where access or headroom is limited.

The filter is designed to be installed on the return pipe to the boiler. It can be cleaned in situ without dismantling the unit, helping to make routine maintenance quick and convenient.

The Fernox TF1 Sigma UB Filter is a compact 22mm magnetic heating system filter designed for installation underneath boilers and in restricted spaces where a conventional in-line filter may not be suitable.

The under-boiler design features a durable glass-reinforced engineering polymer filter body and a forged brass manifold, providing a robust solution for protecting heating systems from circulating corrosion debris, including magnetite.

A powerful neodymium magnet captures ferrous contaminants from the system water, while the engineered flow path is designed to provide high collection efficiency without blocking or restricting flow. The integrated three-way valve allows the filter to be isolated and cleaned through the drain point without dismantling the filter.

Designed to be installed horizontally on the return to the boiler, the TF1 Sigma UB is particularly useful where space is limited or pipework is concealed. Separate flexible or corrugated pipes and/or adapters may be required for some installations and are not supplied.

Fernox Protector F1 265ml is a high-performance central heating inhibitor designed to provide long-term protection against internal corrosion and limescale formation in domestic heating systems.

Suitable for all types of boilers, radiators and pipework systems, Fernox Protector F1 is compatible with commonly used heating system materials, including aluminium and mixed-metal systems.

One 265ml bottle treats an average domestic heating system of up to 100 litres, 12 radiators or 190m² of underfloor heating. It can also be conveniently dosed through a Fernox TF1 system filter.

For best results, Fernox recommends thoroughly cleaning and flushing untreated or contaminated systems with a suitable Fernox Cleaner before adding Protector F1. Protector levels should also be checked annually as part of routine system maintenance.

The SpiroCombi MB3 (UC022WJ) is a high-performance 22mm brass microbubble deaerator and dirt separator with integrated magnet and universal connection. Designed to improve heating efficiency by removing air, sludge, and debris from central heating systems.

The Eezyfill Central Heating Dosing Funnel is a quick and convenient solution for adding chemicals such as inhibitor, sludge remover and antifreeze to central heating systems. Designed to screw into any radiator with a 1/2" BSP tapping, it ensures clean, controlled dosing for efficient system maintenance and protection.

The Vaillant 22mm Filter Boiler Protection Kit 0020278309 is a genuine boiler filter solution designed to protect central heating systems from sludge, debris and magnetic particles. Suitable for 22mm pipework, this high-performance magnetic filter helps improve heating efficiency, extend boiler lifespan and reduce maintenance issues. Ideal for Vaillant boiler installations and system upgrades across the UK.

The ADEY MagnaClean Professional2 MAGPRO2PACK combines a MagnaClean Professional2 magnetic filter with MC1+ Protector and MC3+ Cleaner for comprehensive central heating system protection. The filter captures magnetic and non-magnetic debris, while MC3+ helps break down sludge and MC1+ protects against corrosion and limescale. Ideal for professional boiler and central heating maintenance.

The Glow-worm Power System Filter 22mm 0010035820 is a high-performance magnetic system filter designed to protect central heating systems and boilers by capturing debris and sludge. Ideal for improving efficiency and extending boiler lifespan.

The ADEY MagnaClean Professional2 & Micro2 Seal Kit (PK2-02-00829) is a genuine replacement seal pack for compatible ADEY MagnaClean magnetic filters.

Designed for maintenance and servicing, this seal kit helps replace worn or damaged seals to maintain a secure connection and reliable performance. It is suitable for MagnaClean Professional2, Professional3 Sense, Micro2 and Professional2 XP magnetic filters.

The pack contains 7 black rubber seals and is supplied as a genuine ADEY MagnaClean replacement part.

Fernox Heat Transfer Fluid HP-5c is a concentrated heat transfer fluid designed for use in air source and ground source heat pump systems and underfloor heating systems.

The high-performance formulation combines monopropylene glycol with specially formulated inhibitors and stabilisers to provide protection against corrosion, limescale and freezing. When diluted correctly, HP-5c provides frost protection from -4°C to -14°C, depending on the concentration used.

HP-5c should be diluted with mains water before use. A minimum in-use concentration of 10% is required, while the maximum recommended concentration is 30%.

It is compatible with materials commonly found in heat pump and underfloor heating systems and has a stable pH. Existing heating systems should be cleaned of sludge and limescale with a suitable Fernox Cleaner before adding HP-5c.

Genuine Vaillant 179030 Filter for compatible Vaillant boilers. Designed for the boiler water pipework, this replacement filter helps protect internal hydraulic components by filtering the system water. Suitable for selected ecoTEC, ecoFIT Pure, ecoTEC Exclusive, ecoTEC VUI, VUW and Home boilers.

ADEY MagnaClean Professional2XP FL1-03-01357 28mm magnetic central heating filter, designed for larger heating systems. Its increased filter capacity captures magnetic and non-magnetic debris, helping protect boilers and heating systems from magnetite and black iron oxide sludge. Features full-flow 28mm valves, bi-directional flow and easy servicing.

The BoilerMag XC Extra Compact 22mm Magnetic Boiler System Filter is designed to protect central heating systems from black iron oxide, sludge and debris. Its patented Dual Flow Technology maximises magnetic collection while maintaining a compact, non-block design, making it ideal for restricted spaces such as small airing cupboards and attics.

This 22mm magnetic boiler filter is suitable for horizontal or vertical installation and is supplied with isolation valves for straightforward installation. With its compact design and effective magnetic filtration, the BoilerMag XC is a practical choice where installation space is limited.

Delivery: Tracked 48 £2.99 (2–3 working days) or Tracked 24 £4.00 (1–2 working days). Free collection from our Wellingborough branch.

The MagnaClean Micro2 Inline Filter Black FL1‑03‑01274 is a high‑performance magnetic filter designed for compact central heating systems. Its small, space‑saving build makes it ideal for tight installations, while the powerful magnet and dual‑action design capture magnetite, sludge and debris — helping maintain system efficiency, reduce maintenance and extend boiler life. Perfect for homeowners looking to improve heating performance and prevent breakdowns.