By Hayward Pool Products
Part # 4810-49
Manufacturer Code DEX2400S
Alternate Part #'s 25357-240-000, 306285, 44017, 4802-35, 610377021081, 610377021159, DE2400S, DEX2400S, HAY-051-1800, HAY-061-5619, 17-150-1382
OEM Hayward air relief valve, used on:
Cartridge Filter, Hayward Super StarClear C2000-5000
Hayward, Micro-Clear Vertical Grid DE Filter
Hayward ProSeries Plus Sand Filter S311SX, S311SXV, S360SX