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Booster Pumps

Booster Pump Service, Repair & Installation

AFS services, repairs and installs mains-water booster pumps, cold-water booster sets, pressure vessels and controls for domestic and commercial buildings.

Request a QuoteCall 01420 561661What We Do
Hampshire, Surrey & SussexRegional engineer coverage
Domestic & commercialSingle and multi-pump systems
Repair or replacementDuty-based recommendations
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Booster pump services for reliable water pressure

Low or unstable pressure can originate in the pump, pressure vessel, sensors, valves, controls, incoming supply or the way the system has been specified.

AFS repairs, services, installs and replaces booster pumps and packaged booster sets serving houses, flats, hotels, care facilities, commercial buildings and managed properties across Hampshire, Surrey, West Sussex, Berkshire and nearby parts of Southern England.

Our engineers review the required demand, incoming mains conditions, storage arrangements, pressure settings, pump duty, vessel condition and controls before recommending work.

Where a new booster system is required, the equipment must be selected for the building demand and installed with suitable protection, isolation, access and commissioning.

AFS services and investigates booster systems from manufacturers such as Grundfos and Lowara, subject to the exact model, system condition and parts availability.

For specialist pump work, our sister company Alton Pumps provides booster pump installation and repair.

Booster pump repair

Fault finding for loss of pressure, short cycling, alarms, leaks, noise, tripping and failed pumps.

Planned servicing

Checks to pumps, vessels, sensors, valves and controls with clear maintenance recommendations.

Installation and replacement

Specification, installation and commissioning of domestic and commercial booster systems.

How we assess a booster pump system

Confirm the problem

We review the building, water demand, symptoms, equipment details and urgency.

Inspect and test

The pumps, pressure vessel, valves, sensors, controls and incoming conditions are checked.

Repair, service or replace

We provide a clear recommendation based on condition, performance and the required duty.

Domestic and commercial booster systems

Booster pumps are used where the available water pressure or flow is insufficient for the building demand.

Domestic systems may support individual homes or larger properties with weak mains pressure. Commercial booster sets can serve apartments, hotels, schools, healthcare buildings, offices and other sites with higher or variable demand.

Systems may include one or more pumps, a pressure vessel, variable-speed drives, sensors, non-return valves, isolation valves and a dedicated control panel.

Typical applications

  • Houses with poor water pressure
  • Apartment and multi-storey buildings
  • Hotels and care facilities
  • Commercial and managed properties
  • Stored-water boosting systems
  • Duty and standby booster sets

Common booster pump problems

The visible symptom may come from several different parts of the system.

Frequent starting, fluctuating pressure, loss of flow, pump noise and alarm conditions can be caused by vessel faults, leaks, incorrect settings, blocked valves, failed sensors, control problems or worn pumps.

A complete system check helps avoid replacing a pump when the actual cause sits elsewhere in the installation.

Faults we investigate

  • Low or unstable pressure
  • Short cycling
  • Pump not starting
  • Pressure-vessel failure
  • Sensor or control faults
  • Leaks, noise or vibration

Booster pump specification and installation

A replacement or new booster set must be matched to the real building demand.

Selection should consider required flow and pressure, incoming mains conditions, stored-water capacity, simultaneous demand, redundancy, electrical supply, controls and the available plant-room space.

The installation should also allow safe isolation, maintenance access and proper commissioning so the system operates reliably without excessive cycling or energy use.

Installation checks

  • Required flow and pressure
  • Incoming supply conditions
  • Tank and storage arrangement
  • Electrical supply and controls
  • Isolation and servicing access
  • Commissioning and set points

Mains water and cold-water booster pump systems

A pressure problem should be assessed against both the incoming supply and the building demand.

Some properties use a compact domestic booster pump, while larger buildings may need a break tank with a single or multi-pump cold-water booster set. The appropriate arrangement depends on available mains flow, peak demand, required outlet pressure, storage and applicable water-supply requirements.

AFS checks whether low pressure is caused by the incoming supply, pump duty, vessel charge, controls, valves, leaks or system settings before recommending repair or replacement.

Systems and symptoms covered

  • Mains water booster pumps
  • Cold-water booster sets
  • Break tank and booster arrangements
  • Variable-speed pump sets
  • Low or fluctuating water pressure
  • Short cycling and pressure loss

Information needed for servicing or a quotation

Good system information helps separate a service visit, fault investigation and new installation enquiry.

For an existing booster set, send clear photographs of the pumps, data plates, pressure vessel, control panel and displayed alarms. Describe when the fault occurs and which parts of the building are affected.

For a new system, useful information includes the property type, number of outlets or dwellings, incoming flow and pressure if known, required pressure, tank arrangement, electrical supply and available plant-room space.

Useful details to send

  • Site address and postcode
  • Pump make, model and serial number
  • Control-panel alarm or fault code
  • Pressure-vessel and valve photographs
  • Current flow and pressure information
  • Drawings, service records or previous reports

Recent pump jobs and updates

Work our engineers and crews have finished recently, from our own job updates.

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Check we cover your area

We cover about 50 miles around Alton. Type the first part of your postcode and we will tell you the nearest town we cover, how far it is from Alton and whether it is inside our area.

The first part is enough, for example GU34. We use it only to work out the distance from Alton and we do not keep it.

Enter the first part of your postcode, for example GU34.

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Booster pump services and regional coverage

Use the main service page for complete booster-pump support or select a regional page for locally targeted information.

Booster Pumps in HampshireBooster Pumps in SurreyBooster Pumps in WinchesterBooster Pumps in BasingstokeBooster Pumps in GuildfordGeneral Pump ServicingGeneral Pump InstallationAlton Pumps Specialist Engineers

Request Booster Pump Services advice or a quote

Send the details through and a member of the AFS team will come back to you.

Booster Pump Services FAQs

Do you repair booster pumps and booster sets?

Yes. We diagnose pump, pressure-vessel, sensor, valve, control-panel and electrical faults on domestic and commercial systems.

Why is my booster pump short cycling?

Common causes include loss of pressure-vessel charge, a damaged vessel diaphragm, leaks, incorrect pressure settings, faulty sensors or unsuitable system control.

Can you service a multi-pump booster set?

Yes. We support duty, standby and variable-speed booster sets serving commercial and multi-occupancy buildings.

Do you service Grundfos and Lowara booster pumps?

AFS handles service and fault enquiries for Grundfos, Lowara and other booster systems. Send the model, serial number, photographs and fault details so parts availability and the appropriate next step can be checked.

Can you replace an obsolete booster pump?

Yes. We assess the required flow, pressure, incoming supply, storage, controls and electrical arrangements before specifying replacement equipment.

Do you cover booster pump systems in London?

Coverage can extend to parts of southern and south-west London, depending on the postcode, system and work required. Send the full site address so attendance can be confirmed from Liphook.

Which areas do you cover?

We mainly cover Hampshire, Surrey, West Sussex, Berkshire and nearby parts of Southern England.

Need help with booster pump services?

Send an enquiry or call the AFS team. We’ll confirm the practical next step and whether a site visit is needed.

Call 01420 561661