Haws Freeze Protection Bleed Valve - SP158A

The Haws Model Number SP158A Freeze Protection Bleed Valve protects an emergency shower and/or eyewash from low water temperatures below 35 degrees fahrenheit.  During a snap freeze, the valve bleeds off the excessively cold fluid.  It begins to open at 40 degrees and fully opens when internal water temperature drops below 35 degrees and will begin to close at 38 degrees and fully close at 45 degrees.
  MADE IN USA