Swimline Super Deluxe 18' Round Above Ground Winter Pool Cover, 4' Overlap | PCO1422 Pop-Up Valves Check the O-ring sealing groove

Check the O-ring sealing groove for cuts

Replace the wheel if it’s cracked

this easy-to-use cartridge simplifies spa care while improving water quality and comfort

Cost-effective alternative to replacing the entire valve

Keep good circulation (clean filter

Swimline Super Deluxe 18' Round Above Ground Winter Pool Cover, 4' Overlap | PCO1422 Pop-Up Valves Check the O-ring sealing grooveSwimline Deluxe Winter Pool Cover 12 ft x 18 ft Oval Above Ground (PCO1422) The Swimline PCO1422 is a durable solid winter pool cover designed for 12' x 18' oval above ground pools. Built from scrim reinforced woven polyethylene, it helps keep leaves, dirt, and winter debris out of the water while the black underside helps limit sunlight penetration to reduce off season algae growth and make spring opening easier. Key Features Pool Fit: 12 ft x 18 ft