Are check valves noisy?
If you hear a loud noise every time you pump stops, you have a Standard Check Valve installed. That noise is the check valve closing which creates a slamming effect when the water flow reverses in the discharge pipe after the pump stops.
Should sump pump check valve be horizontal or vertical?
They can be installed in vertical or horizontal systems, depending on the type of liquid that you are removing. If you are pumping out solid or semi-solids, the check valve must be installed horizontally (up to a 45 degree angle). If you are putting in a check valve for a Sump vs.
Will a check valve stop water hammer?
“Any spring-loaded, poppet-style check valve is going to prevent water hammer because they close before reverse flow begins. It is one of their primary purposes,” explains Strait. well in vertical or horizontal positions with proper spring selection.
What causes sump pump check valve chatter?
This is usually caused by the pump’s automatic turn-off switch being set to too high a level. As a result it doesn’t turn off when the water has been removed. Simply adjust the level to solve this problem. It’s completely normal for your sump pump to make some noise.
How do you fix a noisy check valve?
To quiet them, replace the old check valve with a “silent” or “soft close” check valve. Remove the section of waste line under the check valve, disconnecting it at the union or coupling above the basin—or cutting the pipe. Drain the water above the check valve, then loosen the clamps and remove it (Photo 1).
Where is the best place to put a check valve on a sump pump?
Sump pump check valves should be installed close to the floor after the pump, as shown by arrow #1. This will reduce the amount of water that drains back to the pump after each cycle.
How far above sump pump should check valve be installed?
Best height ( unless owner’s manual states otherwise) is two to three feet off of the top of the sump pit. This way your sump pump motor doesn’t have to work as hard as when your check valve is in lower position. It will open easier due to the reduced weight of water above it.