Optimise your use of heat using our free heating controls toolkit. Looking for genuine baxi boiler spare parts in stock, available for immediate dispatch? welcome to the ‘home of stock’ where every part displayed really is in stock, ready to go! our extensive inventory covers the large range of boilers, back boiler units and fires made famous by baxi including bahama, bermuda, baroque, dimension, combi instant, duo-tec, genesis, megaflow, netatec, platinum, solo and many more. There.