Drain plug 3/4 inch for the following Hayward Heaters:
- H-Series and H-Series H1501, H150P1, H2001, H200P1, H2501, H250P1, H100iD1, H100iDP1 Millivolt Heater
- Universal H-Series H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP Low NOx Models, H-Series C
