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Do old vents need to be removed if ridge vent is installed?

The Code says: Attic Ventilation shall be “cross ventilation “ and shall be 1/150th the area that is to be vented. (See ICC R806 Vents.) However, there is one exception: The attic ventilation can be ...
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Dryer vent is too close to the ground. Can I extended it outdoors?

You can, but you shouldn't. PVC has a maximum operating temperature of 140°F. The air coming out of the vent can hit 180°F especially if you have a gas dryer. Your solution might be fine if you have ...
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How High For A Condensate Standpipe?

The condensate drain can not have a “stand pipe” it won’t drain if plumbed into a drain I suggest above a p -trap as this prevents some blockages by mold
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Dryer vent is too close to the ground. Can I extended it outdoors?

Code-wise, I don't know if what you want to do is legal or not. However, I see a potential practical issue, so I think it's likely that code might forbid this. I can see that curved vent pipe becoming ...
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How to re-route range hood ducting to my vent?

I ended up using a 90 elbow and an end boot to fix it. It took about 2 hours of trimming and positioning to get the pieces to fit together nicely. A super important consideration from using this type ...
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2 votes

Bathroom vent is noisy when it's windy outside

There is nothing wrong, when you have a small space like a bathroom and you open the door quickly the pressure is enough to open the back draft dampers in the exhaust fan. The same thing happens when ...
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1 vote

Is an air admittance valve suitable on a sewage ejector pump basin?

I see two code violations there. If your using the International Residential Code (IRC) sect. p3114.8 prohibits the use of AA valves unless designed by an engineer (might be acceptable to your ...
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4 votes

How to re-route range hood ducting to my vent?

Get custom. Despite the tubular similarity, ducting isn't rocket science. So grab some straight pipe and a tin snips, put on some good gloves and start cutting. You could even make some template ...
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How to re-route range hood ducting to my vent?

You could also replace the boot with a shorter transition boot like the one pictured here. This one goes from a hood outlet to 7" round (but can also be found in other sizes). That would leave ...
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1 vote

How to re-route range hood ducting to my vent?

The end boot and 90 is a good idea. Might need a straight piece first to raise it to the correct level. You could replace the range hood with a rear venting one, so you'll need no duct at all and you'...
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