![Need help understanding range hood vent duct assembly. Broan 40.000-h, everything works fine, the damper moves freely but doesn't open when the fan is on. : r/HomeMaintenance Need help understanding range hood vent duct assembly. Broan 40.000-h, everything works fine, the damper moves freely but doesn't open when the fan is on. : r/HomeMaintenance](https://preview.redd.it/need-help-understanding-range-hood-vent-duct-assembly-broan-v0-8sv3drxvu99a1.jpg?width=3024&format=pjpg&auto=webp&s=be7a0e4ab6064f001f14940981000859228fbe80)
Need help understanding range hood vent duct assembly. Broan 40.000-h, everything works fine, the damper moves freely but doesn't open when the fan is on. : r/HomeMaintenance
![How difficult is it to install a range hood if none of the duct work or roof venting exists? - Quora How difficult is it to install a range hood if none of the duct work or roof venting exists? - Quora](https://qph.cf2.quoracdn.net/main-qimg-54f0ef120d99c3220723ec2e8c42a4ef.webp)
How difficult is it to install a range hood if none of the duct work or roof venting exists? - Quora
![How difficult is it to install a range hood if none of the duct work or roof venting exists? - Quora How difficult is it to install a range hood if none of the duct work or roof venting exists? - Quora](https://qph.cf2.quoracdn.net/main-qimg-8916d123e154682ec0da02a347dc40c6.webp)