Boilermag Magnetic Filter — 22 mm (BM22)
Improves Efficiency Dual-Flow Technology Magnetic & Non-Magnetic Capture 360° Install 3-Year Warranty No-Block Design
BoilerMag BM22 is a compact, high-performance magnetic filter for domestic heating systems. Its dual-flow path filters the system water twice on every pass to maximise capture of sludge and debris, helping to improve energy efficiency and extend boiler life. Fits in-line with 360° adjustment for easy installation at any angle, and offers easy access for chemical dosing.
Compatibility: For domestic 22 mm copper/MLCP radiator circuits on sealed or open-vented wet central heating systems. Captures magnetic (ferrous) and non-magnetic debris. Suitable for new installs and retrofits.
Key features
- Dual-flow technology — filters twice on one pass
- Magnetic + non-magnetic debris extraction
- 360° adjustable body & in-line fit — any angle
- Easy service & clean with quick access lid
- Easy chemical dosing via service port
- No-block design maintains system flow
- 3-year warranty
Specification
- Model: BoilerMag BM22
- Connection size: 22 mm
- Installation: In-line, 360° adjustable
- Function: Sludge/debris capture, system protection
- Service: Tool-assisted lid; drain/flush point
- Warranty: 3 years
What’s included
- 1 × BoilerMag BM22 filter body
- 2 × 22 mm brass isolation valves
- Integrated magnetic core & internal mesh
- Seals/O-rings & service fittings
Chemicals and cleaning tools supplied separately unless stated.
Check before you buy
- Your system pipework is 22 mm
- You have space for an in-line filter body with top access
- You require capture of magnetic and non-magnetic debris
FAQs
Does it only trap magnetic sludge?
No — the BM22 is designed to capture magnetic (ferrous) and non-magnetic debris to protect pumps, valves and heat exchangers.
Can I install it at any angle?
Yes — the 360° adjustable collar allows fitting at virtually any angle to suit your pipe run.
Is it easy to clean and dose chemicals?
Yes — the design offers easy access for cleaning and a convenient port for chemical dosing.