a couple of times in the last week we’ve noticed the outside exhaust pipe cover/grate (the one I’m assuming keeps pests out) on the outside boiler exhaust has blown out and landed all the way in the neighbors yard...also we have smelled very faint hints of propane inside the house...the smell seems to go away oddly enough when we crank the heat in the second basement heating zone...we had the propane company out to check for leaks and they tested the system and replaced the outside pressure regulator but they also suggested we relocate the inside pressure regulator as they said the boiler is pulling a strong demand of propane so the regulator should be further away from it...currently it’s right next to the unit...not sure if it’s related to the exhaust cap blowing off or the faint/occasional indoor propane smell. Could be two separate issues but just concerned. I have a call in to our hvac person but wanted to do some research and try to get some answers before he came as to what might cause such strong pressure inside an exhaust pipe that would blow off a pest prevention cover grate for outside exhaust and a faint propane smell inside when downstairs heat is shut off...seems really odd to me...Worth noting this is a brand new unit installed about 3 months ago and this all just started...any help is greatly appreciated.
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