back-up valve

  1. L

    Polaris 280 Back-up Valve Before and After Video

    While troubleshooting my back-up (backup) valve I was finding inconsistent info as to how much water should be coming out while the valve is closed. Below is a link to 2 videos: one shows the 14 year old valve and the other shows the new "Polaris" branded valve, which has just a trickle when...