Range from the cheapest fitting of a boiler magnetic filter £40 (Nossiter and Barnett Ltd based in LU6) to the dearest fitting of a boiler magnetic filter £190 (Harrison Forsythe Plumbing and Heating based in Hp1).
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 HP23 by posting a job with HaMuch and we will send it to heating engineers in HP23.