Both houses are standard single story houses with gable roofs.
Roof turbine not spinning.
Do i have a low pressure system.
2 of my 3 turbine vents on my roof won t turn unless there s a stronger wind.
Since they are only 4 years old i m guessing they were replacements so maybe the wrong ones were installed not all turbines work with all roof pitches or these just haven t been leveled correctly.
Examine the turbine from the exterior from the roof.
Step 3 clear any obstructions away from the turbines by pulling them free.
I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level.
In addition pay attention to the maximum roof pitch that will work with the turbines.
Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in.
If they spin freely but just sit there when on your roof i d say they aren t level.
The maximum roof pitch is almost always printed on the box label.
The turbine spins freely when i turn it by hand with very little effort no squeaks and no resistance.
It was very annoying.
These will not rust.
Not all turbines will fit all roof pitches.
I installed a basic aluminum 12 roof turbine on the back side of a house yesterday but it s not spinning.
New roof turbine not spinning.
The turbine on the house next door is spinning as are a few others down the street but this one isn t.
A turbine may fail to spin if the bearings become rusty or obstructions such as ice leaves or twigs have become wedged into the turbine.