Range from the cheapest fitting of a boiler magnetic filter £30 (Ajm services based in M44) to the dearest fitting of a boiler magnetic filter £160 (M&C / J&M Plumbing & Heating based in WA1).
Comparing heating engineers estimates for fitting a magnetic filter gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to connect a magnetic filter in WA2 by posting a job with HaMuch and we will send it to heating engineers in WA2.