Roof ventilation ????

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shboisr3560
Posts: 2
Joined: Thu Oct 15, 2015 7:13 pm

Roof ventilation ????

Post by shboisr3560 » Thu Oct 15, 2015 7:51 pm

First time owner here. I recently purchased a manufactured home approx. 26' x 64' with vaulted ceilings, no attic space. in the Calif. Sierra Foothills.
For the most part, I have figured out how everything works . . . . But, the one thing that has me puzzled is some sort of vent (i think) on the roof. There is no "grill / louver" on the inside, under this vent and the vent is powered with no switch. Sometimes I can hear it running, other times it does not. Most often I will heat it running very early in the morning.
Can someone tell me what this might be, the principal behind it's operation and what controls it?
Thanks for any help.

annexasia
Posts: 13
Joined: Thu Oct 08, 2015 2:54 am

Re: Roof ventilation ????

Post by annexasia » Mon Oct 19, 2015 3:14 am

Don't make your roof ventilation broken. just carry some cement and wooden blocks and fix it where you want make ventilation.

deanmaycock
Posts: 4
Joined: Wed Jun 14, 2017 3:43 pm

Re: Roof ventilation ????

Post by deanmaycock » Wed Jun 14, 2017 10:52 pm

Sounds like you may have the "Blend Air ll System". If you have a Coleman furnace pull off the face and look for a control box.
U tube has several videos on the system.
There should be a vented top on the stack.

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