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Posted by Dave on April 01, 2008 at 09:45:04:
In Reply to: Re: How would I purge air from hydroair system in attic? posted by HeatPro on April 01, 2008 at 08:44:11:
Thanks. I'll give it a try. Our highest air handler is about 39 feet above the boiler, so that would make it a cold fill of 24 psi. That doesn't leave much room for the prv which is 30 psi.
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