Double-threaded for use with 1-1/4 in or 1-1/2 in sump pump discharges, Discharge side designed to allow discharge hose to clamp directly in place, built-in anti-airlock hole.
Easy to use
Easy to use
Highly durable
Fits sump pumps with 1 to 14 inch discharge
Prevents water in discharge line from draining back in sump when pump is not running
Flapper type valve requires minimal unseat pressure
May be plumbed with accordion sump discharge hose, polyethylene PVC, or galvanized pipe
Built-in anti-airlock hole means less chance of your pump air-locking