
1-1/4 to 1-1/2 in. ABS In-Line Sump Pump Check Valve
For sump pump applications the THD1020 can be used with any 1.25 in. or 1.5 in. sump pump. The THD1020 features 1.25 in. or 1.5 in. combination rubber adapters and the industry's most …
Amazon.com: Sump Pump Check Valve
Discover quiet sump pump check valves that eliminate water hammer noise. Explore corrosion-resistant options with easy installation for 1.5" and 1.25" pipes.
What Is A Sump Pump Check Valve? - Plumbing Lab
Feb 2, 2025 · The check valve on the pump is one of the most important components, and in this guide, we'll help explain what a sump pump check valve is and everything you need to know …
Where To Put Check Valve on A Sump Pump - Waterline Controls™
May 20, 2025 · A check valve on a sump pump is crucial for preventing backflow of water into the sump pit after the pump shuts off. Here’s exactly where and how to place it:
How to Install a Check Valve in a Sump Pump: 10 Steps Guide
Jun 11, 2025 · In this guide, I’ll walk you through how to install a check valve in a sump pump step-by-step. You’ll learn exactly which tools you need, where to position the valve, and how …
Sump Pump Check Valves, Water Pump Check Valves
Shop check valves, available in a variety of models from top manufacturers like Little Giant, Zoeller, and Liberty Pumps. Order online today with fast shipping and easy returns.
The 5 Best Sump Pump Check Valves: Performance Reviewed
Jul 9, 2025 · Choosing a sump pump check valve can be tricky. There are many types, sizes, and materials. It can be confusing to know which one is best for your pump and your home. A bad …