Main pump
Bearing Wholesalers complete pumping systems and solutions for buildings, industry and every aspect of water use. Select your market area below and find out more about how Grundfos meets requirements for energy efficiency and resource management for your application.
In heating and air conditioning systems, water must be distributed from the supply system to the point of consumption. This is done by means of main pumps.
Larger systems can be divided into several pipe circuits with each their local pump. The main pump is the pump that distributes the total amount of water from the supply source.
Due to variations in heat demand and flow in large systems, it is recommended to use speed controlled pumps in parallel as main pumps. By using speed controlled pumps it is also possible to obtain maximum energy savings.
A maximum of three pumps plus one standby pump is recommended.
![USA VICKERS Pump PVQ20-B2R-SE3S-21-C21-12](https://m.bearing-wholesalers.com/uploaded_images/d1556894-usa-vickers-pump-pvq20-b2r-se3s-21-c21-12.jpg)
- USA VICKERS Pump PVQ20-B2R-SE3S-21-C21-12
- 1 pcs
- Negotiable
![Japan Dakin original pump V23A4R-30](https://m.bearing-wholesalers.com/uploaded_images/d1606774-japan-dakin-original-pump-v23a4r-30.jpg)
- Japan Dakin original pump V23A4R-30
- 1 pcs
- Negotiable
![Rexroth piston pump A11VLO260LRDH2/11R-NZD12K02](https://m.bearing-wholesalers.com/uploaded_images/d1556894-rexroth-piston-pump-a11vlo260lrdh2-11r-nzd12k02.jpg)
- Rexroth piston pump A11VLO260LRDH2/11R-NZD12K02
- 1 pcs
- Negotiable
![USA VICKERS Pump PVM131ER10GS02AAB2320000EA0A](https://m.bearing-wholesalers.com/uploaded_images/d1604554-usa-vickers-pump-pvm131er10gs02aab2320000ea0a.jpg)
- USA VICKERS Pump PVM131ER10GS02AAB2320000EA0A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH074R0NAB10B252000001001AB010A](https://m.bearing-wholesalers.com/uploaded_images/d1636140-usa-vickers-pump-pvh074r0nab10b252000001001ab010a.jpg)
- USA VICKERS Pump PVH074R0NAB10B252000001001AB010A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH074R01AA10E252014001001AE010A](https://m.bearing-wholesalers.com/uploaded_images/d1636140-usa-vickers-pump-pvh074r01aa10e252014001001ae010a.jpg)
- USA VICKERS Pump PVH074R01AA10E252014001001AE010A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH131R12AF30B332000001AD2AA010A](https://m.bearing-wholesalers.com/uploaded_images/d1559341-usa-vickers-pump-pvh131r12af30b332000001ad2aa010a.jpg)
- USA VICKERS Pump PVH131R12AF30B332000001AD2AA010A
- 1 pcs
- Negotiable
![Japan Dakin original pump V38A2R-95](https://m.bearing-wholesalers.com/uploaded_images/d1636140-japan-dakin-original-pump-v38a2r-95.jpg)
- Japan Dakin original pump V38A2R-95
- 1 pcs
- Negotiable
![Japan Dakin original pump V38A1RX-95](https://m.bearing-wholesalers.com/uploaded_images/d1557452-japan-dakin-original-pump-v38a1rx-95.jpg)
- Japan Dakin original pump V38A1RX-95
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH098R01AJ70B252000002001AB010A](https://m.bearing-wholesalers.com/uploaded_images/d1609473-usa-vickers-pump-pvh098r01aj70b252000002001ab010a.jpg)
- USA VICKERS Pump PVH098R01AJ70B252000002001AB010A
- 1 pcs
- Negotiable
![Rexroth original pump R900533582 PV7-1X/16-30RE01MCO-08](https://m.bearing-wholesalers.com/uploaded_images/d1636140-rexroth-original-pump-r900533582-pv7-1x-16-30re01mco-08.jpg)
- Rexroth original pump R900533582 PV7-1X/16-30RE01MCO-08
- 1 pcs
- Negotiable
![USA VICKERS Pump PVM045ER05CS02AAB21110000A0A](https://m.bearing-wholesalers.com/uploaded_images/d1606774-usa-vickers-pump-pvm045er05cs02aab21110000a0a.jpg)
- USA VICKERS Pump PVM045ER05CS02AAB21110000A0A
- 1 pcs
- Negotiable