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Sump Pumps Review by Comparison at Pumps Selection
Find Best Submersible, Battery Backup, Water Powered, Pedestal Sump Pumps at Lowest Price
A review by comparison reveals that not all sump pumps are created equal. The most important features for the primary, battery backup, water powered and pedestal sump pump are reviewed and compared below.
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The primary sump pump, also known as the main pump or basement sump pump, is expected to work continuously and dependably when large volumes of water enter the sump pit. Therefore it is important to select a good pump that is adequate for your water pumping needs during heavy rainstorms.
Primary sump pump review of most important features
The most important features of a main sump pump are the switch, housing, pumping capability and impeller design.
Sump Pump Switch
The sump pump switch triggers the pump to run the pump motor. The three basic types of switches: the mechanical float switch, the diaphragm switch and the electronic switch. The mechanical float switch may be tethered or vertical.
Sump Pump Housing
Sump pump housing keeps the motor cool during long continuous operation.
Sump pumping capacity measures gallons pumped per minute (GPM) or per hour (GPH).
The impeller design determines how debris and small pebbles that get into the pit will be handled. Some pump manufacturers use a bottom screen to prevent the debri from entering the impeller. This indeed stops the sludge and debris from entering the impeller; however once the screen becomes clogged water will pass through the impeller and the pump will not work. The screen design requires periodic maintenance. Other manufacturers use the votex impeller design which allows small pebbles and debris to pass through. There is no need for a screen which required cleaning. The vortex impeller is the best design.
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Submersible Sump Pump
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The battery backup sump pump is expected to work continuously and dependably when the primary sump pump is not able to run due to lack of electrical power or pump malfunction. Because the backup pump is expected to run during emergnecy situations, it is extremely important to select a good pump that is adequate for your water pumping needs during heavy rainstorms.
Battery backup sump pump review of most important features
The most important features of a battery backup sump pump are the switch, alarm, pumping capability and battery.
Battery Backup Float Switch
The switch triggers the pump to run the pump motor. The type of float switch used with backup pumps is three styles of the vertical float switch - the float, the reed, and the dual.
Battery Backup Alarm System
The alarm not only lets the homeowner know when the backup pump is running, but also indicates when the battery strength is low. All battery backup sump pump manufacturers include such an alarm. Some alarm decibels are louder than others. Some models allow the alarm to be silenced when the pump is activated and running.
Battery Backup Pumping Performance
Pumping capability for a battery backup pump is less than for a primary pump. Most homeowners fail to buy a battery sump pump capable of handling almost the same amouont of water their primary pump does. This negligence is because homeowners assume any backup pump should do the job. Secondly, a battery backup sump pump is not capable of pumping the same amount of water as a primary pump. It is extremely important to know the volume of water entering the pit during a heavy rainstorm so the appropriate backup sump pump system is installed. Because battery backup pump capability is low, many homeowners install an inverter power unit which allows them to run a primary sump pump.
Battery Backup Battery
Battery types and size for a battery backup pump vary. The manufacturers installation manual will provide such information. A maintenance free battery is easiest to use since no maintenance is required and the battery is already charnges and ready for use when purchased; therefore, it is important to check the shelf life of the battery when it is purchased. At least one manufacturer allows the homeowner to decide when the shelf life should begin because the homeowner adds the acid. However this type of battery also requires several hours of charging before it can be used. The group size of a battery will determine how many continous pumping hours the battery can provide when fully charged. A 75 Amp hour battery will pump longer than a 40 Amp hour. The control box dimensions will determine what size and style of battery will fit.
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Battery Back Up Sump
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The water powered sump pump can be used as a primary or backup sump pump. This pump has no moving parts and does not require a battery or electricity to run. It uses city water and its pressure to run the pump and keep it running.
Water powered sump pump review of most important features
Water Powered Sump Pump City Water to Pit Water Ratio
The most important features of a water sump pump are degree of city water pressure, amount of city water used during operation, presence of check valve and pumping capacity.
Water Powered Pump Check Valve
City water runs the water powered sump pump. The city water pressure determines if you can install a water powered pump and how much water it will removed from the pit per minute. If you use city water rather than a well and you can fill a 5 gallon bucket at your outside hose spigot not using a hose in less than 30 seconds you have enough city water pressure to run a high capacity water powered pump properly.
The amount of city water used to run the water powered sump pump varies by pump manufacturer. Some pumps require 1 gallon of city water per two gallons of water removed from the pit. Other pumps require 1 gallon of city water for each gallon of pit water removed. The cost of running the water powered pump is cheaper in a majority of cities since water is cheaper than electricity. Checking your water bill will tell you how much you pay for water usage.
The presence of a check valve is extremely important to prevent the back flow of water. Some water pumps have only one check valve while others have two. Having a dual check valve provided backup protection in case one fails.
The pumping capacity of a water powered pump varies by model. The smallest pumps can remove up to 500 gallons per hour whereas the largest strongest pumps can remove up to 2,000 gallons per hour at a 10 foot vertical lift.
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Water Powered Sump
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