Gas boiler service Trusted family business with over 40 years experience, you can trust Boiler servicing stay safe and save money with an annual service from one of our engineers here at Gaswarm.Save money on costly boiler repairs by picking up on any minor faults which could end up in a full blown breakdown.Reduce your fuel costs , our engineers will ensure your boiler is running as clean and efficiently as possible which can save money on your fuel bills.Maintain your home insurance, most insurance companies will insist your boiler is serviced before they will cover you.What to expect from an annual boiler service?Visually inspect boiler to make sure there are no defects.Turn boiler on to check basic operation before testing.Flue gas analysis to make sure the boiler is running safely and to the. manufacturers specification.Gas rate boiler checking the boiler is burning the correct amount of gas .Working pressure tests between meter and boiler.Clean condensate trap.Clean magnetic filter (if fitted).