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Smith & Loveless Non-Clog Pump
4-Step Vacuum Priming Process

The Smith & Loveless Vacuum Priming System is a simple proven 4-step process that includes just three basic components: a prime sensor, a solenoid valve, and a vacuum pump.

Step 1
The wet well level sensor calls for the pump to start.
Step 2
The pump prime sensor determines whether the pump is primed.
If the sensor indicates the pump is primed, the pump turns on.
Steps 3 and 4 are not required.
Step 3
When Step 2 occurs and the prime sensor indicates that the pump
requires priming, the vacuum pump comes on and the solenoid valve opens.
The vacuum pump evacuates air from the pump suction line and the pump
through the 1/2" diameter vacuum tubing. This causes wastewater to fill the
pump volute and prime the pump.
Step 4
When the prime sensor indicates the pump is primed,
the solenoid valve closes, the vacuum pump shuts off and the pump turns on.
This is all done in a few moments. Simply. Reliably. Dependably.
Proven in more than 20,000 installations worldwide.


From a totally non-primed condition, the system is designed to prime the pump in about 60 seconds under standard rated conditions. Once the Smith & Loveless Pump is primed, it is designed to stay primed indefinetly.

Source: Smith & Loveless brochure number 650

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