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 400481004846 PV270R1K1T1W2LAX5957+PVA](https://m.bearing-wholesalers.com/uploaded_images/d1556894-parker-piston-pump-400481004846-pv270r1k1t1w2lax5957-pva.jpg)
- Parker Piston Pump 400481004846 PV270R1K1T1W2LAX5957+PVA
- 1 pcs
- Negotiable
![Parker Piston Pump 400481003008 PV270R1K1M3N3LZ+PV270R1L](https://m.bearing-wholesalers.com/uploaded_images/d1559341-parker-piston-pump-400481003008-pv270r1k1m3n3lz-pv270r1l.jpg)
- Parker Piston Pump 400481003008 PV270R1K1M3N3LZ+PV270R1L
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH057R02AA10B252000001AE100010A](https://m.bearing-wholesalers.com/uploaded_images/d1609473-usa-vickers-pump-pvh057r02aa10b252000001ae100010a.jpg)
- USA VICKERS Pump PVH057R02AA10B252000001AE100010A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH057R02AA10B252000001AN100010A](https://m.bearing-wholesalers.com/uploaded_images/d1604554-usa-vickers-pump-pvh057r02aa10b252000001an100010a.jpg)
- USA VICKERS Pump PVH057R02AA10B252000001AN100010A
- 1 pcs
- Negotiable
![USA VICKERS Pump PVQ32-B2L-SE1S-21-C14-12](https://m.bearing-wholesalers.com/uploaded_images/d1550310-usa-vickers-pump-pvq32-b2l-se1s-21-c14-12.jpg)
- USA VICKERS Pump PVQ32-B2L-SE1S-21-C14-12
- 1 pcs
- Negotiable
![Parker Piston Pump 400481003116 PV270R1K1L3NULC+PV092R1L](https://m.bearing-wholesalers.com/uploaded_images/d1556894-parker-piston-pump-400481003116-pv270r1k1l3nulc-pv092r1l.jpg)
- Parker Piston Pump 400481003116 PV270R1K1L3NULC+PV092R1L
- 1 pcs
- Negotiable
![Parker Piston Pump 400481005059 PV140L1K4LLNUPR+PVAC1EMM](https://m.bearing-wholesalers.com/uploaded_images/d1604554-parker-piston-pump-400481005059-pv140l1k4llnupr-pvac1emm.jpg)
- Parker Piston Pump 400481005059 PV140L1K4LLNUPR+PVAC1EMM
- 1 pcs
- Negotiable
![Japan Yuken hydraulic pump A37-F-L-04-B-S-K-32](https://m.bearing-wholesalers.com/uploaded_images/d1559341-japan-yuken-hydraulic-pump-a37-f-l-04-b-s-k-32.jpg)
- Japan Yuken hydraulic pump A37-F-L-04-B-S-K-32
- 1 pcs
- Negotiable
![USA VICKERS Pump PVH074R01AA10E252009001001AE010A](https://m.bearing-wholesalers.com/uploaded_images/d1636140-usa-vickers-pump-pvh074r01aa10e252009001001ae010a.jpg)
- USA VICKERS Pump PVH074R01AA10E252009001001AE010A
- 1 pcs
- Negotiable
![Japan Yuken hydraulic pump A100-FR04HS-60](https://m.bearing-wholesalers.com/uploaded_images/d1556894-japan-yuken-hydraulic-pump-a100-fr04hs-60.jpg)
- Japan Yuken hydraulic pump A100-FR04HS-60
- 1 pcs
- Negotiable
![Parker Piston Pump 400481005068 PV180R1K4T1N2LZ+PVAC2PCM](https://m.bearing-wholesalers.com/uploaded_images/d1604554-parker-piston-pump-400481005068-pv180r1k4t1n2lz-pvac2pcm.jpg)
- Parker Piston Pump 400481005068 PV180R1K4T1N2LZ+PVAC2PCM
- 1 pcs
- Negotiable
![Parker Piston Pump 400481004409 PV140R1K4T1NUPPX5935+PVA](https://m.bearing-wholesalers.com/uploaded_images/d1604554-parker-piston-pump-400481004409-pv140r1k4t1nuppx5935-pva.jpg)
- Parker Piston Pump 400481004409 PV140R1K4T1NUPPX5935+PVA
- 1 pcs
- Negotiable