If you are in need of a repair and your boiler is not within its guarantee, please choose from the options below if your boiler is in guarantee, please call this number. Where do you start when it comes to central heating in manchester? do you need a gas or oil powered system? what’s the best type? Superior boiler provides both oem and non-oem parts for all superior boiler, creek, and triad products. See our great oil and gas offers.