Hayward Genuine H-Series LOx Model Heater Blower Vacuum Switch. If your heater is giving you an error code of " AO " it is most likely that the Hayward Pool Heater Blower Vacuum Switch has to be replaced. The Vacuum switch has been designed for easy replacement, and most pool owners can diagnose and make t repair it themselves.
Hayward FDXLBVS1930 Compatible with:
- H135ID1, H135ID1P, H150FDN, H150FDP, H200FDN, H200FDP, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP