Drainage
Check valve
Prevents return flow in some pumped lines.
Also called: non-return valve, one-way valve
Function
Prevents return flow in some pumped lines.
Also called: non-return valve, one-way valve
Before buying
Verify dimensions, compatibility, approval and access before purchase.
Related projects
Plan a sump pump system
Plan and estimate the project: plan a sump pump system.
Difficulty: ●●●●●Plan a backup sump-pump system
Understand, measure and plan: plan a backup sump-pump system.
Difficulty: ●●●●○Interior perimeter drain to sump
Understand, measure and plan: interior perimeter drain to sump.
Difficulty: ●●●●○