A check valve lets water flow one way and blocks it from flowing back. It is a simple flap or ball that does its job automatically, with no handle to turn.
The one way
Inside the valve, a disc, ball, or flap sits in the flow path. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Jonesboro, water pressure on the inlet side pushes it open, and reverse pressure snaps it shut.
The gravity
Some check valves rely on gravity to close the flap when the flow stops. A vertical installation lets gravity help the seal.
The spring
Spring-loaded checks close faster and work in any orientation, which is why pumps and appliances use them. The spring adds a little resistance to the flow.
The uses
Sump pumps, ejectors, boilers, and irrigation all use check valves to stop backflow. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Jonesboro, the sump's check valve keeps the pit from refilling.
The failure
A stuck-open check lets water flow backward, and a stuck-shut one blocks the flow. A rattling valve often means the flap is loose or the spring is tired.
The check
A valve that fails is usually replaced rather than repaired, since the internals are sealed. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Jonesboro, a pro can find and swap the right one.
The call
Keep the flow in one direction. Call 888-217-3585 and Jonesboro Plumber Connect will match you with a Jonesboro pro for the fix.
Plumbing in Jonesboro: what to know
In Jonesboro, hard water is common across the region, and older neighborhoods still have galvanized supply lines. Pros in our network know the local quirks and bring the right parts on the first visit.
Across Craighead County — from Trumann, Paragould and Walnut Ridge to ZIP codes like 72467, 72401, 72405 — homeowners deal with the same kinds of issues. The tips above apply locally, and when a job goes beyond a quick fix, a vetted local pro is only a call away.
Need a hand in Jonesboro?
If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and Jonesboro Plumber Connect will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in Jonesboro.