Gas-fired instantaneous water heaters for the production of domestic hot water
Gas-fired instantaneous water heaters for the production of domestic hot water
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What is BS EN 26 - Gas-fired instantaneous water heaters for domestic use about? BS EN 26 is a European Standard that discusses gas-fired instantaneous water heaters for the production of domestic hot water. The main aim of BS EN 26 is to provide manufacturers with best industry guidance to ensure gas-fired instantaneous water heaters are safe and reliable to use. BS EN 26 defines the specifications and test methods concerning the construction, safety, rational use of energy and fitness for purpose, and also the classification and marking of gas-fired instantaneous water heaters for sanitary uses, hereafter called “water heaters”. BS EN 26 applies to water heaters:
Of types AAS, B11, B11BS, B12, B12BS, B13, B13BS, B14, B22, B23, B32, B33, B44, B52, B53, C11, C12, C13, C21, C22, C23, C32, C33, C42, C43, C52, C53, C62, C63, C72, C73, C82and C83 according to CEN/TR 1749 Fitted with atmospheric burners Equipped with atmospheric burners assisted by a fan for the supply of combustion air or evacuation of combustion products or fully premix burners Using one or more combustible gases corresponding to the three gas families and at the pressures stated in accordance to EN 437 Of nominal heat input not exceeding 70 kW With an ignition burner or with direct ignition of the main burner
In BS EN 26 , the heat inputs are expressed in relation to the net calorifi...
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