Stay away from these guys. Perfectly working boiler to having a service which resulted in the air being deliberately deflated from the pressure valve. This now has resulted in me having to have the problem fixed by another plumber. DO NOT USE read the reviews they are not lying. All this to talk you into having a new boiler charging an extortunate amount. Offering a brand new boiler a Logic 2 costing £2900. To buy it, it costs £1,500. They are expecting you to pay for this over 10 years costing in total £6,600. The man that very suspiciously took pictures of my boiler before even telling me about this offer. Now i know why. 24/7 rescue more like in 24 hours you will need your boiler fixing. If you ignore be prepared to get your boiler fixed.