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Third floor is cold
I installed a vapor stat and have it set at 8 oz main with 4 oz diff, and now my third floor is cold.
The main venting seems to be okay, and I put the fastest radiator vent I could find on those radiators.
So should I tap a hole for an additional vent on the radiator? The riser leading to the vent is covered by a soffit. To access it, I’d have to cut open the inside of my daughter’s closet. I would do it if a vent there was appreciably better than one on the radiator. What are your thoughts? Offending radiator here.
Also, any tips for drilling the hole? Go slow? Push hard? Cutting oil?
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