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praepostor    
n. 级长,指导生

级长,指导生


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    Illustrations of proper gas fired water heater venting using Type B- double wall vent pipe through a roof (above) or through a chimney (below on this page) include details for the flue vent connector such as the requirement of a minimum vent connector upwards slope of 1 4" per foot of horizontal run
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    This is presently enforced in Arizona If you have a gas water heater located in a bedroom or bathroom, see our information on Direct Vent Water Heaters Flue Venting Every gas water heater has a flue venting system Some water heaters are power vented and have a plastic vent, but most traditional tank water heaters have a metal vent that
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    A level service space not less than 30 inches (762 mm) in length and 30 inches (762 mm) in width shall be present at the front or service side of the water heater The clear access opening dimensions shall be not less than 20 inches by 30 inches (508 mm by 762 mm) where such dimensions are large enough to allow removal of the water heater





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