Most sewage ejector pumps and some sump pumps have ... This switch activates the pump when the water reaches a certain height. The switch is plugged in with a “piggyback” plug, and the pump ...

The jet of water in passing through the" 'ejector condenser' no doubt Joses ... this instrument all the power required to work an air-pump is saved. He estimates this saving at four per cent ...

Waste lines from a sewage ejector or sump pump use a check valve to stop wastewater ... Push a long screwdriver up into the old check valve to drain the water above the valve.