Range from the cheapest fitting of a boiler magnetic filter £23 (Grant Ardren based in TA1) to the dearest fitting of a boiler magnetic filter £110 (Sion Plumbing & Heating based in TA9).
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 Williton by posting a job with HaMuch and we will send it to heating engineers in Williton.