plumbing Hounslow Hot water in central heatingEarly hot water systems were used in Russia for central heating of the Summer Palace (1710?1714) of Peter the Great in Saint Petersburg. Slightly later, in 1716, came the first use of water in Swede zobacz stronę
plumbers Hammersmith Some boiler factsThe pressure vessel of a boiler is usually made of steel (or alloy steel), or historically of wrought iron. Stainless steel, especially of the austenitic types, is not used in wetted parts of boilers due wszystko tutaj