Sump Pumps1.0 - Download

http://www.sump-pumps.us - Sump Pumps Review. What Factors Should Be Reviewed? There are eight major factors to consider when comparing sump pumps: mechanism causing the sump pump to operate, material used in construction, operational capability, dimensions, size of discharge, protection against spherical solids or sludge, energy consumption and manufacturer's warranty.

1. Mechanisms Causing the Sump Pump to Operate.

What Are the Different Types of Mechanisms?

Sump pumps operate when water triggers the mechanism that activates the pump.

* Tether floats hang freely from the side of the pump. As the water raises so does the float which triggers a switch that activates the pump. When the water level drops the float lowers to the side of the pump.
* Vertical floats have a ball that moves up and down on a vertical rod. As the water surrounding the pump raises, the float also raises and triggers the switch and hence activates the pump. When the water level lowers the ball lowers.
* A diaphragm is a membrane, located on a drum shaped mechanism on the side of the pump, which is sensitive to water pressure. As the water level raises, the water pressure increases and the diaphragm becomes concave, thereby activating the switch to turn on the sump pump. When the water level drops, the switch turns off.
* A probe is sensitive to water pressure and the pump is activated electronically.

What Are the Advantages and Disadvantages of the Different Mechanisms?

* The tether float gets obstructed from movement easier; the switches require more frequent replacement, however, the pump is cheaper.
* The vertical float is protected against obstruction of movement; the switch requires more frequent replacement than a diaphragm or probe but less than the tether float. Some brands offer the ability to change the switch without removing the sump pump fom the pit.
* A diaphragm and probe are very dependable and require less service.