1" PEX with 1/2" Jentro couplings

Discussion in 'HVAC Heating & Cooling' started by GeoMass, Jun 4, 2008.

  1. GeoMass

    GeoMass New Member

    Jun 4, 2008
    I'm installing 1" ID PEX tubing. I have to connect Jentro brass couplings to each end. The coupling slips inside and is clamped. This reduces the the diameter from 1" ID down to 1/2" ID. Will there be a great pressure drop? The couplings are installed on each end. Does this make this 1" tubing now a 1/2" tubing? The reason for the 1" was to move a larger amount of hot water from 100' away. How will this affect my choice in circulation pumps? Also are there other types of fittings that I can use to keep the 1" spec. of the tubing?

    Last edited: Jun 4, 2008

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