Variable Flow Check Valve – Adjustable Flow Rate for Water Well Systems badge -May require manual reset after

-May require manual reset after activation

Ideal for water well

817 and D919

-Extra Thick Walled Head Casting - Built for years of use and abuse

Variable Flow Check Valve – Adjustable Flow Rate for Water Well Systems badge -May require manual reset afterThe Variable Flow Check Valve from Merrill allows for variable control of water flow in your well system. Engineered for flexibility, this valve features an adjustable design that greatly reduces pressure loss, prevents water hammer, and improves pump system efficiency. Ideal for submersible pump installations or any application where consistent variable flow and backflow prevention are critical. Key Features: Adjustable internal design for variable