A cold duct allows condensation of moist indoor air leading to drips from the exhaust fan.
Can you use pvc pipe for bathroom exhaust fan.
You can use round galvanized ductwork or pvc sewer pipe.
I was going to use plastic flexduct but i can make the bends bends and some of length using.
Also on a long run especially vertical you are bound to have problems like you have now.
Does anyone know what i should use to connect my bath fans to pvc pipe.
Mass local here unlike dryer ductwork it s not going to be subjected to high heat or a potential for significant lint accumulation.
Otherwise the exhaust duct gets too cold when it runs through the attic.
By the way some home depot s and lowe s sell this stuff if you know what to look for.
On 2020 01 31 by mod use 4 pvc pipe as an exhaust duct.
Is it legal to have the flex tube vented to a dormer vent but the tube ends 1ft short of the actual vent and not connected directly to it.
I have to run a length of about 3 meters of duct from the fan to the outside where there will be 2 90 bends.
Use flex vent pipe to go from the fan to the vent pipe pvc.
Active 4 years 1 month ago.
To connect to the pvc go to an hvac shop and ask for a male 4 to a female connector.
I m not familiar with a code that requires rigid ducting for bathroom fans.
Most exhaust fans have either a 3 or 4 outlet.
If you need to reduce the 4 to 3 tell them this or just explain what you need.
Ask question asked 4 years 1 month ago.
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Someone suggested a fernco coupling but a 3 fernco fits perfect on the pvc but it s too big for the fan s exhaust outlet.
Using pvc pipe for bathroom exhaust fan duct.
What is california code on bathroom exhaust fans primarily at the point of how the tubing and what tubing is connected to.
That said there is nothing stopping you from using regular rigid metal ducting.