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  1. 2Evil4U

    Valve "Closeoff Pressure" Definition

    Well the correct valve arrived last Monday. HVA products, where I purchased the valve from was a bit pushy about shipping the other unit back, but otherwise they've been OK. I installed the unit this morning and it looks like it's going to work perfectly. I had to buy some thread sealing goo...
  2. 2Evil4U

    Valve "Closeoff Pressure" Definition

    Well, the Aquapex connectors arrived and they look good. The valve arrived today and it is not so good. The Johnson Controls people butchered their own part number when they transcribed it from middle-man to JC and I ended up with a normally closed 1/2" NPT, 24V, low close-off valve instead of...
  3. 2Evil4U

    Valve "Closeoff Pressure" Definition

    Aahhh. So effectively, if the system is not flowing any volume, there is no differential pressure across the valve and the unit will be able to cycle normally. I think it will work for what I need. My house is below sewer-grade and it has a 60 gallon effluent ejector pit in a corner of my...
  4. 2Evil4U

    Valve "Closeoff Pressure" Definition

    Hi! I working on an emergency water shutoff system for my home and have settled on either a Johnson Controls JT2323G23B020 or JT2323H23B020 Normally Open, 120V, actuated valve. The unit's lit, see:(http://www.johnsoncontrols.com/cg-valves/selection_guide/publ3510.pdf) states that the valves...

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