Bain Posted May 25, 2006 Report Share Posted May 25, 2006 Has anyone ever seen a connector like this before? The configuration is exactly like a clothes-dryer duct, only with thicker plastic. I told my buyer it had to be replaced, but have no idea what its intended purpose is. Download Attachment: DSC03492a.jpg 232.47 KB Link to comment Share on other sites More sharing options...
randynavarro Posted May 25, 2006 Report Share Posted May 25, 2006 Almost looks like flexible / corrugated drainage pipe used for underground drainage systems. I just posted something over on the 'Electrical' forum commenting on how easy it is to simply follow the manufacturer's instructions. Looks like the manual for the water heater is sitting right on top. It probably specifies exactly what is allowed as vent material. Link to comment Share on other sites More sharing options...
Les Posted May 25, 2006 Report Share Posted May 25, 2006 We see this in Michigan quite often. Here it is approved. Stops vibration. Seen quite a few that were deteriorated. Link to comment Share on other sites More sharing options...
hausdok Posted May 25, 2006 Report Share Posted May 25, 2006 That's a fire hazard. The CPSC has been trying to make people understand since 1997 that using corrugated ducts for dryers is foolhardy. They did a survey of fires from 1994 to 1997 and discovered that there were over 17,000 house fires in the U.S. that had been started by lint buildup in corrugated plastic or aluminum dryer ducts. I used to have a copy of their 1997 consumer product safety alert which explained this really well. Probably still do, but can't find it. It's in one of these stacks of documents I'm sure, but it'd take a day of searching to locate it (Need more space and more filing cabinets.). I tried to find it on their site but the closest thing to it I could find was this, which isn't as strong as the original document. In the original, they condemned the use of any corrugated ducting material and recommended using a square box vent at the back of the dryer combined with smooth-walled metal pipe. That doc is gone now and this is the closest thing to it I can find and now it says "rigid or corrugated semi-rigid metal duct." I'm wondering if they withdrew the original because dryer manufacturers began ballyhooing? Bottom line, it should be smooth-walled metal from the dryer to terminus with no screws at joints (They can be sealed by taping them with high-temperature resistant foil tape). ONE TEAM - ONE FIGHT!!! Mike Link to comment Share on other sites More sharing options...
Chad Fabry Posted May 25, 2006 Report Share Posted May 25, 2006 It looks like exhaust hose that one uses to exhaust automobile gasses while running a vehicle indoors. Link to comment Share on other sites More sharing options...
Bain Posted May 25, 2006 Author Report Share Posted May 25, 2006 Well, but the photo's lousy. That black connector is actually connected to the power vent on top of a gas water-heater. That's why I was so dumbfuzzled. Link to comment Share on other sites More sharing options...
StevenT Posted May 25, 2006 Report Share Posted May 25, 2006 Looks like plastic corregated irrigation piping to me too. Link to comment Share on other sites More sharing options...
Les Posted May 26, 2006 Report Share Posted May 26, 2006 It is flexible and does look like all that stuff, but it is an approved venting material, if I am seeing the flex pipe I think I am seeing. It does get brittle and does break, but is often used in Michigan. Link to comment Share on other sites More sharing options...
Bain Posted May 26, 2006 Author Report Share Posted May 26, 2006 I had just never seen it before, Les. And I wasn't crazy about the banded fastener on a vibrating motor. Mike apparently thought the black connection was a portion of a clothes-dryer vent, hence my clarification. Link to comment Share on other sites More sharing options...
kurt Posted May 26, 2006 Report Share Posted May 26, 2006 Man, this is a totally new one on me; I'd never imagine that flex would be approved for vent connectors, although if it's the same stuff as they use for venting exhaust out of garages, it's pretty touch stuff. What's it called? How does the "Michigan code" classify it or describe it? Link to comment Share on other sites More sharing options...
hausdok Posted May 26, 2006 Report Share Posted May 26, 2006 Hmph, Thought I'd responded a second time to this in the morning. Guess not. I'd noticed it was on a power-vented water heater the first time I saw it but by the time I'd responded to the thread I'd forgotten and was tracking wrong. Still, it looks like ABS plastic. I thought I read someplace that ABS is good up to temperatures of about 450°F. OT - OF!!! M. Link to comment Share on other sites More sharing options...
MMustola Posted May 27, 2006 Report Share Posted May 27, 2006 I agree with Les, They are common in Michigan. I know it looks goofy but it is an approved vent connector. We nomally see them on older units. Link to comment Share on other sites More sharing options...
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