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 PVQ13-A2L-SE1S-20-C14-12](https://m.bearing-wholesalers.com/uploaded_images/d1555606-usa-vickers-pump-pvq13-a2l-se1s-20-c14-12.jpg)
- USA VICKERS Pump PVQ13-A2L-SE1S-20-C14-12
- 1 pcs
- Negotiable
![Japan Dakin original pump W-V38A1R-95](https://m.bearing-wholesalers.com/uploaded_images/d1609476-japan-dakin-original-pump-w-v38a1r-95.jpg)
- Japan Dakin original pump W-V38A1R-95
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH074R0NAB10A070000001001AE010A](https://m.bearing-wholesalers.com/uploaded_images/d1556894-usa-vickers-pump-pvh074r0nab10a070000001001ae010a.jpg)
- USA VICKERS Pump PVH074R0NAB10A070000001001AE010A
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004677 PV140R1K1T1WSCZ+PVAC1ECM](https://m.bearing-wholesalers.com/uploaded_images/d1557452-parker-piston-pump-400481004677-pv140r1k1t1wscz-pvac1ecm.jpg)
- Parker Piston Pump 400481004677 PV140R1K1T1WSCZ+PVAC1ECM
- 1 pcs
- Negotiable
![USA VICKERS Pump PVQ10-A2L-SS3S-20-C21-12](https://m.bearing-wholesalers.com/uploaded_images/d1609476-usa-vickers-pump-pvq10-a2l-ss3s-20-c21-12.jpg)
- USA VICKERS Pump PVQ10-A2L-SS3S-20-C21-12
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004935 PV180R1K1LLNMFK+PV180R1L](https://m.bearing-wholesalers.com/uploaded_images/d1550310-parker-piston-pump-400481004935-pv180r1k1llnmfk-pv180r1l.jpg)
- Parker Piston Pump 400481004935 PV180R1K1LLNMFK+PV180R1L
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004830 PV270R1L1M3NUPMX5958+PV2](https://m.bearing-wholesalers.com/uploaded_images/d1636140-parker-piston-pump-400481004830-pv270r1l1m3nupmx5958-pv2.jpg)
- Parker Piston Pump 400481004830 PV270R1L1M3NUPMX5958+PV2
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004937 PV180R1K1AYNWCC+PGP511A0](https://m.bearing-wholesalers.com/uploaded_images/d1606774-parker-piston-pump-400481004937-pv180r1k1aynwcc-pgp511a0.jpg)
- Parker Piston Pump 400481004937 PV180R1K1AYNWCC+PGP511A0
- 1 pcs
- Negotiable
![USA VICKERS Pump PVQ10-A2R-SE1S-20-C21D-12](https://m.bearing-wholesalers.com/uploaded_images/d1556894-usa-vickers-pump-pvq10-a2r-se1s-20-c21d-12.jpg)
- USA VICKERS Pump PVQ10-A2R-SE1S-20-C21D-12
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH141R16AF30A230000001AD1AB010A](https://m.bearing-wholesalers.com/uploaded_images/d1606774-usa-vickers-pump-pvh141r16af30a230000001ad1ab010a.jpg)
- USA VICKERS Pump PVH141R16AF30A230000001AD1AB010A
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004900 PV140R1K8B4NFTP+PGP517A0](https://m.bearing-wholesalers.com/uploaded_images/d1559341-parker-piston-pump-400481004900-pv140r1k8b4nftp-pgp517a0.jpg)
- Parker Piston Pump 400481004900 PV140R1K8B4NFTP+PGP517A0
- 1 pcs
- Negotiable
![Parker Piston Pump 400481003963 PV270R1K1L3NFPV+PV092R1L](https://m.bearing-wholesalers.com/uploaded_images/d1609473-parker-piston-pump-400481003963-pv270r1k1l3nfpv-pv092r1l.jpg)
- Parker Piston Pump 400481003963 PV270R1K1L3NFPV+PV092R1L
- 1 pcs
- Negotiable