That depends on the power requirement of the sump pump. A 1000 watt generator (if this is running watts) will produce 1000 watts continuous. Through some simple math, this is equivalent to 8.33 amps at 120 volts. Current (in Amps)=Power (in Watts)divided by Voltage (in Volts). On your sump pump, there is something called a nameplate which lists model number, serial number, manufacturer, and power requirements. The power can either be listed in watts directly, or in amps (at 120v). If it lists watts directly, this number is either higher or lower than your 1000w generator. If it lists amps, your generator will supply 8.33 amps continuous, as figured above. Likewise, you can find out if your generator can power any given load by using this method. Just divide the listed wattage by 120 to get amps. Also, motors do pull higher current when they start, so it is usually recommended to size the generator larger than you would otherwise when you are running a motor, such as your pump. If the sump pump is right up there at 8 amps, it would be pushing the limit to expect it to run the pump. Some smaller generators too are so-called "inverter" units, and many of these are not recommended for motor starting duty. Check the generator's manual to be sure.
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Yes, a sump pump can be connected to a generator to make it operate. Keep in mind that the starting current of the pump motor could be 300% of the running current and the sizing of the generator should take this into account. If you are looking for the sump pump using a mechanical connection it will connect to the engine and not to the generator.
High velocity sump pump can be rented from Sam Wexler Plumbing. It is also available at King Sanitary Service.
Sump pump motors come in various sizes. To give an answer, the HP or voltage and amperage of the motor must be given. You may find the following formula useful. Watts = Amps x Volts.
A typical sump pump just sits there and does nothing until a sensor detects that sufficient water is present to turn on. If it just pumped forever it would be open loop. The fact that it also senses when the water has been pumped and stops makes it a closed loop system. If you're referring to the water in the system, it is an open loop system, since the water is not held in the system.
you will need wiring that is at least 10 amp rated wire or higher. If you really needed to ask you might want to call an electrician Electrician here, be the pump 120 volts or 240 volts a #14 wire will handle the situation. Longer runs of 75 feet you should go to a #12 wire to compensate for voltage drop. The pump should be on its own separate circuit with a 15 amp breaker. A two pole 15 amp breaker if the pump is 240 volts.