MQ3-45 A-O-A-BVBP Complete system The MQ is a complete, all-in-one unit, incorporating pump, motor, diaphragm tank, pressure and flow sensor, controller and non-return valve. The controller ensures that the pump starts automatically when water is consumed and stops automatically when the consumption ceases. In addition, the controller protects the pump in case of faults.
Installation Due to its space-efficient design, the pump does not take up much space and is straightforward to install. No space around the pump is required.
uncomplicated operation The pump features a user-friendly control panel with ON/OFF button and indicator lights for indication of the operational state of the pump.
Self-priming pump As it is self-priming, the MQ is able to pump water from a level below the pump. Provided it is filled with water, the pump is able to lift water from a depth of 8 m in less than 5 minutes. This facilitates installation and start-up of the pump and provides more dependable water supply in installations where there is a risk of dry running and leakages in suction hose or pipes.
Built-in protective functions If exposed to dry running or excessive temperature, for example in case of seizure or overload, the pump will stop automatically, thus preventing a motor burnout.
self-operating reset The pump features an self-operating reset function. In case of dry running or similar alarm, the pump will stop. Restarting will be attempted every 30 minutes for a period of 24 hours. The reset function can be deactivated.
Low noise level Thanks to its hydraulic design and internal cooling, the pump is extremely low-noise, which makes it appropriate for indoor as well as outdoor use.
Pressure tank The built-in pressure tank reduces the number of starts and stops in case of leakages in the pipe system, causing less wear on the pump.
Maintenance No maintenance of the pump is required.
Suitable for: Domestic water pressure boosting
Key Product Features
- Length of cable: 2 m
- Net weight: 13 kg
- Mains frequency: 50 Hz
- Approvals: CE,WEEE
- Rated Head: 23 m
- Rated Flow: 3 m³/h
- Product Voltage: 1 x 220-240 V
- Temperature Liquid Range: 0 .. 35 °C
- Pumped Liquid: Water
- Maximum Operating Pressure: 7.5 bar
- Impeller Material: PPO + 20% GLASS FIBRE-PTFE
- Pump Housing Material: POM + 25% GLASS FIBRE
This is a Grundfos product used in reliable, professional pump and fluid handling applications.
Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.
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