If the machine need to work for a long time, the temperature of the tank water will rise effecting the vacuum degree. At this time, connect the drain hose with tap water and drain water from the water outlet. You need to control the amount of the tap water so as to keep the temperature of the constant and the vacuum degree stable. A Water Circulating Pump and accessories.
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Usually you will wait 5-7 days after checkout for it to clear. The item "110V Circulating Water Vacuum Pump Air" is in sale since Saturday, March 2, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps".
The seller is "supplyinusa" and is located in California. This item can be shipped to United States.