Showing results 1 - 17 of 17
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A direct-vent sealed-combustion furnace has dedicated pipes for combustion air and exhaust
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At the outlet of the dryer exhaust duct, install a hooded vent with a louvered damper
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Because flue temperatures are cool, intake and exhaust ducts on a Category 4 direct-vent sealed-combustion condensing furnace can be made of PVC
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Clothes dryers vented directly to outdoors, except for ventless dryers equipped with a condensate drain
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Dryer exhaust duct should vent directly to the exterior via a smooth, rigid metal duct
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Dryer vent is run vertical with a 90 degree bend and does not vent to the outside
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Furnaces, boilers, and water heaters located within the home’s pressure boundary are mechanically drafted or direct-vented
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National Fuel Gas Code (NFPA 2012) identifies four categories for combustion furnaces and water heaters based on combustion type (sealed or unsealed) and vent pipe temperature
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The natural draft and induced draft furnace are both Category I appliances that receive combustion air from the combustion appliance zone
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The raised hood at the base of the vent stack on this water heater shows that it is an atmospheric vented gas water heater