Free Shipping on orders over $99

This water pressure switch is designed to use with Hayward Universal H-Series Low NOx pool heater models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP. Weighs 20 pounds. Used only on heaters made after 5/11/2010, serial #21130005101018001.

  • Water pressure switch
  • Fits hayward universal h-series low nox pool heater models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP
  • Also fits hayward universal h-series low nox pool heater models H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP