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???????????? Installed Ermangizer instead of a hydraulic accumulator. My bitter and useful experience Ermangizer frequency converters: https://www.42unita.ru/search/?q=Erma... ______________________________ Ermangizer frequency converter is designed to control individual water supply pumps: private house, summer house, garden, cottage, hangar, farm, small industrial enterprise. Main functions: Provides stable water pressure in the water supply system Allows to increase the service life of the pump Eliminates overload of the electrical network and mechanical shocks in the electric motor and pump Eliminates a sharp increase in pressure in the system (water hammer) Smooth stop of the pump eliminates the occurrence of vacuum in the system Does not require a large-capacity hydraulic accumulator (more than 5-8 liters), thereby eliminating unpleasant odors and water pollution due to stagnation Provides protection against engine jamming Provides protection against dry running of the pump ____________________ We are waiting for you at the address: Yekaterinburg, Kraulya St., 44. Or on the website www.42unita.ru. Our specialists will competently consult you and select equipment more suitable for solving the tasks at hand. You can also consult by multi-channel phone: +7 (343) 270-00-24, you can also call the number: 8 (800) 250-70-42 (call within Russia is free). We also deliver to all regions of the country by any convenient transport company or Russian Post (cash on delivery). DO NOT FORGET THAT THERE IS A PROMOTION IN OUR STORE!!! WHEN ORDERING A PRODUCT ON THE WEBSITE WWW.42UNITA.RU, LEAVE IN THE COMMENT TO THE ORDER THE TEXT: "YOUTUBE" OR "YUTUBE" AND RECEIVE YOUR GUARANTEED DISCOUNT OF 2%!!!