Water Pump Check Valve Placement

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.

Water pump check valve placement.

The existing one has a 1 laundry hose with no check valve that discharges to a floor. Diane meyer may 15th 2020 valves. The check valve shall be located between the machine discharge flange and the discharge block valve. 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.

Check valves are found in many industries and with various applications ranging from municipal water to mining and natural gas. 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. An essential element in the design of water and wastewater pumping systems is the proper selection of the pump discharge check valve. I just bought a new sump pump that requires a 1 1 4 hose to replace one that no longer works properly.

They are available in several styles and sizes from 1 8 inch to as large as may be required. The check valve should go on the hose coming from the fresh water tank. 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. The hose coming from the fresh water tank also has the typical switch for winterizing.

Does it matter if the check valve is place before or after the switch. 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. Additional check valves may be installed on well piping inside the well within 25 ft.