Water Pump Check Valve Placement

In summary a well piping check valve prevents water from siphoning back out of the water tank and water pump and down into the presumably lower water well when the pump stops running.

Water pump check valve placement. Diane meyer may 15th 2020 valves. I just bought a new sump pump that requires a 1 1 4 hose to replace one that no longer works properly. A check valve at this location is a great idea and reduces the risk that a failure of the foot valve down in the well leads to inability of the pump to draw water. In this youtube video we talk about our rv water pump not working properly and how we replaced and upgraded our water pump with an ultra quiet shurflo water.

The check valve should go on the hose coming from the fresh water tank. A check valve shall be installed in the discharge line of all pumps compressors or blowers whether centrifugal or rotary unless there is no possibility of a reverse flow or pressure surge such as water hammer under any conditions. The check valve shall be located between the machine discharge flange and the discharge block valve. The existing one has a 1 laundry hose with no check valve that discharges to a floor.

Of the well bottom and under water that is below the top of the static head level of the well water and again every 200 feet of vertical well piping in very deep well installations. Does it matter if the check valve is place before or after the switch. Check valves or one way valves are designed to stop backflow and ultimately to protect pumps and compressors. They are available in several styles and sizes from 1 8 inch to as large as may be required.

Additional check valves may be installed on well piping inside the well within 25 ft. An essential element in the design of water and wastewater pumping systems is the proper selection of the pump discharge check valve. The hose coming from the fresh water tank also has the typical switch for winterizing.