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What is the Grundfos SCALA2
The SCALA2 is a domestic water booster pump — it’s an “all‑in‑one” unit (pump, motor, inverter, sensors, non‑return valve, small tank) designed to deliver consistent water pressure in household settings.
It’s used for boosting from city mains, tanks (roof tanks, ground tanks), or shallow wells (up to about 8 metres suction lift).
Key Advantages
Here are the strengths / benefits of the SCALA2:
|
Advantage |
Details |
|
Constant / stable pressure |
It has an intelligent control (sensor + inverter / variable speed) that adjusts pump speed automatically based on water demand. This means even when multiple taps or showers are opened, pressure drop is minimized. |
|
Self‑priming / handling suction |
It can pump from water sources up to ~8 m below the pump level. That’s useful if the water tank is lower than the pump or in shallow wells. |
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Low noise |
Thanks to water‑cooled motor, good insulation, etc., it’s quite quiet — about 44‑47 dB(A) in typical use (that’s like the noise of a hushed conversation or a quiet room). Good if the pump is installed near living areas. |
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Compact / integrated design |
All required components are built in — pump, pressure tank, sensor, non‑return valve etc. This reduces the complexity of installation. Fewer external accessories. It’s lighter (~10 kg) and compact so can fit into tight spaces. |
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Protective features |
It includes protections for dry‑running (motor will stop if no water), thermal protection, anti‑cycling (prevents rapid on/off in case of small leaks), etc. These help reduce risk of damage. |
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Energy efficiency |
Because of its variable speed / inverter operation, it works closer to its best efficiency point — less wasted power especially under partial load |