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Central heating pump GRUNDFOS ALPHA1 L 25-60 180

Central heating pump GRUNDFOS ALPHA1 L 25-40 180 View larger
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04953

Manufacturer: GRUNDFOS
GRUNDFOS

175,14 USD

Payment and delivery

Transport Costs: Individual calculation
(After placing your order we will send you a non-binding offer containing delivery costs.)

Payment methods for the goods:

Bank transfer – eligible for a 2% discount for orders from Poland (others without discount)
Cash on delivery – always without discount, available only in Poland and the Czech Republic (up to 8,000 PLN or 16,000 CZK, rest in bank trasfer)
P24 – operator’s payment gateway, no discount for orders from Poland, others +2%

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Pompa ALPHA1 L 25-60 180

The model C pump, designed from scratch, can be operated and installed in all types of heating installations, where the flow rate is constant or variable. The pump has an electronically commutated ECM motor that has very high efficiency. This allows the pump to self-control and automatically adjust the operating parameters to the installation in which it will be mounted. The pump can operate at different speeds when it is controlled by a low voltage PWM signal (modulated pulse width).

Technical data
Power supply voltage1 x 230 50/60 Hz PE
Motor protectionThe pump does not require external
motor protection
Level of securityIPX4D
Relative air humiditymax 95 %
Insulation classF
EEI<0,20
Dimensioning of the ALPHA1 circulating pump
Pump typeL1L3L4B1B2H1H2H3GMassa nettoMassa brutto
ALPHA1 L 25-60 18018088,371,646,346,425,3102,1127,41 1/2"1,92,1

Benefits

  • Three fixed control characteristics / constant speed
  • Regulation mode for installations with radiator heating
  • Regulation mode for installations with underfloor heating
  • Controlled PWM input signal - profile A. It is a digital voltage signal
  • Low Energy Efficiency Index (EEI)
  • Screw for unblocking the pump shaft
  • No maintenance required
  • Quiet
  • Easy to assemble
Grundfos ALPHA1 L 25-40 180

Data sheet

Weight [ kg ]2.1
Height [ mm ]180
Width [ mm ]93
Depth [ mm ]127.400
Thread typeExternal thread (GZ)
Outlet and inlet supply size [ inch ]6⁄4''
InstallationHorizantal, Vertical, Internal
Max. working temperature [ °C ]95
Min. working temperature [ °C ]2
Max. operating pressure [ bar ]10

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