Grundfos NB Pumps - 4 pole
Grundfos NB 32-125.1/121 A-F2-A-E-BQQE 98154140
Showing 151–180 of 207 products
Grundfos NB 150-250/230 AS- F1-A-E-BQQE 98975972 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-250/242 AS- F1-A-E-BQQE 98914616 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-250/262 AS- F1-A-E-BQQE 98807421 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-250/275 AS- F1-A-E-BQQE 98975971 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-250/282 AS- F1-A-E-BQQE 98835475 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315.2/250 AS- F1-A-E-BQQE 99001639 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315.2/275 AS- F1-A-E-BQQE 99001640 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315.2/294 AS- F1-A-E-BQQE 99001641 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315.2/314 AS- F1-A-E-BQQE 99001643 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315.2/314 AS- F1-A-E-BQQE 99001644 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315.2/342 A- F1-A-E-BQQE 99001662 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315/275 AS- F1-A-E-BQQE 98975822 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315/291 AS- F1-A-E-BQQE 98854510 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315/310 AS- F1-A-E-BQQE 98791582 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315/336 AS- F1-A-E-BQQE 98607735 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-315/338 AS- F1-A-E-BQQE 98974752 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-400/31 AS- F1-A-E-BQQE 98975826 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-400/343 AS- F1-A-E-BQQE 98866025 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-400/375 AS- F1-A-E-BQQE 98975823 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-400/394 AS- F1-A-E-BQQE 98975824 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-400/412 AS- F1-A-E-BQQE 98975825 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-400/438 AS- F1-A-E-BQQE 98975827 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-500/459 AS- F1-A-E-BQQE 98975828 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-500/489 AS- F1-A-E-BQQE 98975829 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 150-500/521 AS- F1-A-E-BQQE 98975830 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 200-400/280 AS- F1-A-E-BQQE 98976107 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 200-400/296 AS- F1-A-E-BQQE 98976108 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 200-400/312 AS- F1-A-E-BQQE 98976109 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 200-400/344 AS- F1-A-E-BQQE 98976110 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Grundfos NB 200-400/364 AS- F1-A-E-BQQE 98976111 Grundfos NB Single Stage End Suction, Non-self priming centrifugal pumps are used for pumping thin, clean or slightly contaminated…
Frequently Asked Questions
Quick answers to common questions about the Grundfos NB Pumps – 4 pole. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.
What is a water booster pump?
A water booster pump increases the pressure of an existing water supply to give stronger flow at taps, showers and appliances. It can be a small inline pump fitted to the incoming mains, or a larger pump and tank set that draws from a break tank to feed the whole house. Boosters do not create water – they raise the pressure of the water already coming in.
What is the difference between an inline booster and a tank-and-pump booster?
An inline booster connects straight onto the incoming mains and is limited to 12 litres per minute under UK water regulations – examples include the Salamander HomeBoost and WaterBoost WB-Compact. A tank-and-pump booster, such as the Grundfos Home Booster or DAB Esybox with Esytank, draws from a break tank and can deliver much higher flow rates for larger homes with multiple bathrooms.
What is a variable speed booster pump?
A variable speed booster uses an inverter to adjust pump speed in real time to match demand. It maintains constant pressure as outlets open and close, runs more quietly than a fixed-speed pump and typically saves up to 50 per cent of the energy a fixed-speed equivalent would use. The DAB Esybox, DAB Esybox Mini 3 and Grundfos Scala2 are common variable speed examples.
What does a water booster pump do?
A water booster pump raises water pressure to help supply taps, showers and other outlets when the existing system cannot meet demand.
Can a booster pump connect directly to the water mains?
Not every booster can. Direct connection depends on the product design and applicable water regulations; some systems require a break tank.
How do I size a water booster pump?
Assess simultaneous flow demand, required outlet pressure, available inlet conditions and the pressure losses in the pipework.
What types of Grundfos pumps are available?
Grundfos offers circulators, booster pumps, borehole pumps, drainage pumps and other solutions for domestic and commercial systems.
How do I identify the correct Grundfos pump model?
Use the model name and product number on the pump nameplate, then check the electrical, hydraulic and connection specifications.
Can a Grundfos pump improve household water pressure?
A suitably selected Grundfos booster system can improve water pressure or flow, subject to the property’s water supply and installation requirements.