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air venting pex tubing

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zepfan
zepfan Member Posts: 397
in Radiant Heating
we have a job in which we are installing new zone valves in a house that has five zones of copper baseboard hot water heat, and one zone of in floor heating with pex tubing. My question had to do with once we are done getting the air out of the pex side of the system. I normally install an isolation valve, and boiler drain on each zone, hook city water pressure to the boiler's drain valve, close the isolation valve, and open up the boiler drain and get rid of the air that way. Is this procedure good for the pex side as well or is there another way to go about it? Any assistance would be much appreciated. thanks to all

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  • Ironman
    Ironman Member Posts: 7,376
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    Does the floor have a manufactured manifold?
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
  • zepfan
    zepfan Member Posts: 397
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    That I do not know. I was not at the home when the tubing was put in the floor, and all I can see of the system is the red pex tubing that is in the boiler room that runs to that zone. The tubing runs to one bedroom/addition area of about 350 ft2. Currently there is no zone valve, on that zone, We are adding one. thanks for responding

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