Check & Foot Valves
Built for Real-World Performance
Precision Design. Built to work. Install it once and works for the long run.
Options
Available
Machined
Since 1949
Check Valve or Foot Valve?
Start Here
Where is the valve installed?
Installed above the pump and along the discharge line.
- Prevents backflow
- Common on well systems
- Used after the pump
Installed underwater at the end of the suction pipe.
- Holds prime
- Screens debris
- Used before the pump
Stabilized Poppet
O-Ring for Seal
Spring Leg
Cup for Spring
Valve Seat
Valve Adds Strength
Retaining Cup for Nut
and End Cap
Foot valve cutaway showing self-cleaning poppet design for reliable sealing and debris protection.
Features & Benefits
Delrin Guide Bearing
Stabilizes the poppet to support straight, consistent operation and reduce unwanted movement.
Designed for Smooth, Stable Operation
Tapered self-cleaning valve seat helps prevent chatter and uneven seating.
Abrasion-Resistant O-Ring
Improves sealing and reduces leak-by past the poppet.
Poppet Guide Bar Across Valve
Adds strength and supports the poppet for stable, straight operation.
No-Spin Spring Leg
Prevents spring twist and loss of tension over time.
Stainless Steel Spring Components
Add strength and corrosion resistance where wear typically starts.
Stainless Steel Hex Retaining Cup
Helps securely retain the nut and supports dependable internal assembly.
Stainless Steel Strainer and End Cap
Filters debris to protect the valve and helps ensure long-lasting performance.
O-Ring For Seal
Spring Leg
Cup For Spring
Valve Seat
Valve Adds Strength
Retaining Cup For Nut
Check valve cutaway showing guided, no-spin poppet design for stable sealing and reduced chatter.
Features & Benefits
Designed for Smooth, Stable Operation
Tapered self-cleaning valve seat helps prevent chatter and uneven seating.
Abrasion-Resistant O-Ring
Improves sealing and reduces leak-by past the poppet.
Delrin Guide Bearing
Keeps the poppet aligned for straight, stable motion.
No-Spin Spring Leg
Prevents spring twist and loss of tension over time.
Stainless Steel Spring Components
Add strength where wear typically starts.
Quiet the Chatter.
Hold Prime.
Stop Backflow.
Merrill check and foot valves help prevent backflow, reduce chatter, hold prime, and protect your pump.
Check Valves
Installed above the pump to help prevent backflow.
Foot Valves
Installed at the water source to help hold prime and block debris.
Built for Real Well Conditions
See what customers are saying about Merrill check valves and foot valves.
Common Questions
Do I really need a check valve or foot valve?
Yes. They help prevent backflow and keep the system primed when the pump shuts off.
Will this work with my well system?
Most residential and light commercial systems are compatible with the correct size, type, and material.
What’s the difference again?
Check valves install above the pump. Foot valves install in the water source and include a screen.
How do I choose size and material?
Match pipe size and select materials based on water quality and system conditions.
Is installation difficult?
If you’re familiar with well systems or plumbing, installation is typically straightforward.
Choose the Valve That Fits Your System
Shop Check & Foot Valves →Built in multiple sizes and materials for real-world well conditions — no forcing parts to work.
Stainless steel & no-lead brass • Trusted by well professionals • Built to last.