I'd certainly like to hear more details about this event and I'm glad to research further in your behalf.Can you tell me the country and Province or state and city where this accident occurred? Yes, subject to length and bend restrictions discussed above. Above in this article we show another type - see this image - inspectapedia.com/interiors/Dryer_Vent_Lambro_023.jpg. Be sure to check the dryer vent lengths and also the number of bends or elbows in the vent system against what your dryer manufacturer agrees is safe. The backflow damper will be on the back of my dryer. Clothes dryer exhaust ducts shall not be connected to a vent connector, vent or chimney. Clothes dryers shall be exhausted in accordance with the manufacturer’s instructions. Here are the California Clothes Dryer Vent Code paragraphs we have at hand. There is one dryer that will fit but there would only be 3 inches between the wall and the back of the dryer and that doesn't seem to be enough room for a 4 inch vent pipe. Can a dryer be vented from an interior room i.e. We want what Timm (1983) pointed out (as have others) a dryer vent that lets moist warm air vent out, doesn't invite pests in, and doesn't clog with lint. Just wish I was physically able to put it on myself instead of hiring out (total waste of $$ for the metal damper install)! Also the dryer vent has been in that location since before we bought the home in 7/1998. I haven't found a code citation specifically addressing clothes dryer clearance to AC unit condensers but that topic is discussed in the article I cite above. A cheap Rheem will be a POS. Noticed problems with your dryer? DO NOT put a screen over the dryer vent. This is common data available in many Plumbing research articles such as those published by asse.Immersing one's body part in hot water heated to 140 degrees for 2 seconds will cause a minor first degree burn.Continued exposure for a total time of 5 Seconds at 140F could cause permanently damaging second degree scalding Burns.Immersing one's hand entirely in hot water is of course far more severe than momentarily touching a hot surface.When a person touches a hot surface their instinct is to withdraw that contact immediately.So I would expect that the person on your patio who touched the dryer vent did not maintain continuous contact for 5 seconds and not even for 2 seconds.Therefore it seems to me likely that the temperature at your dryer exhaust had to be considerably hotter than 140 degrees if the person suffered a serious burn.That's the basis for my warning that your dryer is not operating properly nor safely. Use metal foil tape. Temperature at a dryer exhaust valve would be lower than that.At that temperature brief .momentary contact with the dryer vent exhaust opening could not cause a significant burn to a person even in contact with bare skin.Don't get me wrong I'm not arguing for a minute your report of someone getting burned isn't accurate.Rather I'm expressing the concern that there is probably an improper and unsafe condition at this particular dryer, such as an obstructed or blocked vent line, or something else that's causing an abnormally high temperature. My neighbors dryer vent terminates about a foot away from his condenser. Anyway, in the meantime I'm running my dryer on air only to clear out the moisture and PERFUME (can you tell I only use unscented products Lol?). I don’t see a lip to clamp the short section to! Two feet of length shall be deducted for each additional Thanks. UVW (Unloaded Vehicle Weight)*- is the typical weight of the unit as manufactured at the factory.It includes all weight at the unit’s axle(s) and tongue or pin and LP Gas. pulley could also be the cause. You may also have a bad thermostat, Exhaust ducts for domestic clothes dryers shall be constructed of metal and shall have a smooth interior finish. Section 504.3.2 A minimum of a 4-inch diameter duct is required. it has the correct damper and size required. (mod) be addressed immediately. Screw tips protruding into the dryer exhaust vent increase the rate of lint clogging and can cause dryer overheating and a fire. You can also use the picture frame icon to the right of a comment button to attach some photos. Please follow this guide carefully as these items will be reviewed for compliance during required … The entire exhaust system shall be supported and secured in place. You'll see the three-foot rule commonly cited by gas company specifications such as our second citation just below. The exhaust duct shall be a minimum nominal size of 4 inches (102mm) in diameter. I got a notice that my Dryer vent was to close to my furnace exhaust- ( moisture-exhaust duct shall not terminate within 3 ft (1 m) in any direction of any pressure regulator vent termination or fresh-air intake) . That's a reasonable minimum distance of 10 feet. The former owner had an older dryer which (in simple terms) didn't "blow" as hard as the newer versions. But if you are asking if very short dryer vent distances from dryer to the building exterior are safe - sure as long as the other requirements specified by the manufacturer for venting are met such as venting material, connections, routing. A dryer that gets too hot is a potentially dangerous situation and should Dryer exhaust systems shall be independent of all other systems and shall convey the moisture and any products of combustion to the outside of the building. The maximum length of a clothes dryer exhaust duct shall not exceed 25 feet (7620 mm) from the dryer location to the outlet terminal. Also check the dryer manual as they will probably discuss the adoption there. When your dyer won’t work, check to see if it is unplugged or if CLOTHES DRYER VENTING FAQs at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. How do I attach my semi- rigid duct at my wall opening with this strange setup? Use only metal foil tape to hold the pipe and secure every 4' with strapping or hangers for support. has anybody actually measured airflow rates?Odors and back-drafting from the dryer below are annoying but my greater concern was inadequate venting that we discussed below.