Range from the cheapest fitting of a boiler magnetic filter £44 (Ionut Ionel Ile based in HA8) to the dearest fitting of a boiler magnetic filter £180 (Plumbing and heating network based in NW4).
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 HA8 by posting a job with HaMuch and we will send it to heating engineers in HA8.