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.
![Parker Piston Pump 400481004705 PV140R9L1L2VWCCK0233+PV1](https://m.bearing-wholesalers.com/uploaded_images/d1556894-parker-piston-pump-400481004705-pv140r9l1l2vwcck0233-pv1.jpg)
- Parker Piston Pump 400481004705 PV140R9L1L2VWCCK0233+PV1
- 1 pcs
- Negotiable
![Parker Piston Pump 400481005022 PV180R1K1LLNUPR+PV180R1L](https://m.bearing-wholesalers.com/uploaded_images/d1609473-parker-piston-pump-400481005022-pv180r1k1llnupr-pv180r1l.jpg)
- Parker Piston Pump 400481005022 PV180R1K1LLNUPR+PV180R1L
- 1 pcs
- Negotiable
![Parker Piston Pump 400481005069 PV270R1K1T1NMT1+ZUDB1PT2](https://m.bearing-wholesalers.com/uploaded_images/d1555606-parker-piston-pump-400481005069-pv270r1k1t1nmt1-zudb1pt2.jpg)
- Parker Piston Pump 400481005069 PV270R1K1T1NMT1+ZUDB1PT2
- 1 pcs
- Negotiable
![USA VICKERS Pump PVQ13-A2R-SS1S-20-C14D-12](https://m.bearing-wholesalers.com/uploaded_images/d1555606-usa-vickers-pump-pvq13-a2r-ss1s-20-c14d-12.jpg)
- USA VICKERS Pump PVQ13-A2R-SS1S-20-C14D-12
- 1 pcs
- Negotiable
![USA VICKERS Pump PVM018ER02AS02AAA28000000A0A](https://m.bearing-wholesalers.com/uploaded_images/d1609473-usa-vickers-pump-pvm018er02as02aaa28000000a0a.jpg)
- USA VICKERS Pump PVM018ER02AS02AAA28000000A0A
- 1 pcs
- Negotiable
![Japan Dakin original pump W-V38A4R-95](https://m.bearing-wholesalers.com/uploaded_images/d1609473-japan-dakin-original-pump-w-v38a4r-95.jpg)
- Japan Dakin original pump W-V38A4R-95
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004658 PV180R1L1T1NMCZ+PVAC1ECM](https://m.bearing-wholesalers.com/uploaded_images/d1609476-parker-piston-pump-400481004658-pv180r1l1t1nmcz-pvac1ecm.jpg)
- Parker Piston Pump 400481004658 PV180R1L1T1NMCZ+PVAC1ECM
- 1 pcs
- Negotiable
![USA VICKERS Pump PVM057ER09ES02AAC07200000A0A](https://m.bearing-wholesalers.com/uploaded_images/d1604554-usa-vickers-pump-pvm057er09es02aac07200000a0a.jpg)
- USA VICKERS Pump PVM057ER09ES02AAC07200000A0A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVM045MR08CS02AAC28200000A0A](https://m.bearing-wholesalers.com/uploaded_images/d1550310-usa-vickers-pump-pvm045mr08cs02aac28200000a0a.jpg)
- USA VICKERS Pump PVM045MR08CS02AAC28200000A0A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVM098ER19FS04ASA28000000A0A](https://m.bearing-wholesalers.com/uploaded_images/d1557452-usa-vickers-pump-pvm098er19fs04asa28000000a0a.jpg)
- USA VICKERS Pump PVM098ER19FS04ASA28000000A0A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVQ10-A2R-SS1S-20-C21V11B-13](https://m.bearing-wholesalers.com/uploaded_images/d1556894-usa-vickers-pump-pvq10-a2r-ss1s-20-c21v11b-13.jpg)
- USA VICKERS Pump PVQ10-A2R-SS1S-20-C21V11B-13
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004740 PV270R1L1T1NUCZ+PVAC1ECM](https://m.bearing-wholesalers.com/uploaded_images/d1609473-parker-piston-pump-400481004740-pv270r1l1t1nucz-pvac1ecm.jpg)
- Parker Piston Pump 400481004740 PV270R1L1T1NUCZ+PVAC1ECM
- 1 pcs
- Negotiable