![]() Poisoning, install a fuel gas and carbon monoxide detector. Carbon Monoxide Detector(s): To reduce the risk of carbon monoxide.Examples of a qualified person include gas technicians, authorized gas company personnel, and authorized service technicians. The vent system must be installed by a qualified person. Gas fired water heaters like those illustrated here must be supplied with adequate combustion air and the heater's exhaust gases must be vented to outdoors.įailure to properly vent a gas-fueled water heater can result in severe injury or death from carbon monoxide poisoning. Watch out: regarding these clearances, see the SAFE GAS B-VENT CLEARANCE DISTANCES CLARIFICATION by Charles Buell near the end of this article. These illustrations are adapted from WHIRLPOOL RESIDENTIAL GAS WATER HEATER MANUAL (2015) retrieved 5, original source: 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. Otherwise such vents may be unsafe, venting combustion products, including dangerous carbon monoxide, into the building. Water heaters must be vented using a listed and approved venting system that provides adequate size, height, and draft. Proper & Safe Exhaust Vent Codes & Standards for Gas Fired Water Heaters Summary of Good Venting Practices for Gas Fired Water Heaters We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. The natural gas fueled water heater shown at page top is improperly vented, lacking the recommended minimum 12" of vertical rise before the elbow and vented directly into a large masonry flue where it cannot develop adequate draft. We also illustrate improper and unsafe gas fired water heater venting installations. and Canadian model building codes, and other sources and water heater venting standards. We include building code citations for gas water heater venting and we quote excerpts from manufacturers' water heater installation manuals, U.S. This article describes proper ventilation details for handling the exhaust from gas fueled water heaters, both LPG or propane and natural gas. Venting requirements for gas-fueled water heaters: We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest. ![]()
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