Gas Dryer Venting Code

Dryer vent systems shall be independent of all other systems and shall convey the moisture to the outdoors.

Gas dryer venting code.

To maintain proper drying efficiency the dryer vent should be installed correctly and should be properly cleaned regularly. The vent system for a gas fired water heater must be installed according to local and state codes or in the absence of local or state codes the current edition of the national fuel gas code ansi z223 1 nfpa 54 link to 2012 edition. When considering 2017 statistics documented by the national fire protection agency which found more than 15 000 dryer fires in north american alone the extra attention. Dryer venting shall be independent of any other systems chimneys or exhaust vents termination of dryer venting must be to the exterior with a proper hood or roof cap equipped with a backdraft damper.

The dryer vent system is too long international residential code limits the length of a dryer venting system to 35 feet not including the flexible transition hose behind your dryer. Federal building codes for dryer vents and ducts. Terminations shall be a minimum of three feet from property line and 12 above the ground and not exhibit any type of screen. A summary of the typical codes relating the dryer venting is as follows.

All dryers must be vented outside period. Without a dryer vent your basement can become covered with thick layers of lint that will not only make your basement look dirty but also make your place prone to lint fire. Heat is provided by an electrical heating element or gas burner. All whirlpool electric dryer models including long vent dryers turbo vent dryers and combo washer dryer units that are sold in the united states and canada are ul listed reference ul 2158 standard and all whirlpool gas dryer models are csa listed reference ansi z21 5 1 standard.

When your dryer duct extends past this limit it decreases airflow pressure at the termination point and over time lent will easily clog the vent and completely. Some heavy garment loads can contain more than a gallon of water which during the drying process will become airborne water vapor and leave the dryer and home through an exhaust duct more commonly known as a dryer vent. Laundry tumbles in the dryer an electrical element or gas burner heats up passing hot air over the clothes and out via the dryer vent to the outside. Dryer termination code requirements the dangers they address current building code devotes a considerable amount of instruction designed to improve dryer venting safety.