TECHNICAL DATA SHEET
The Grundfos Alpha1 wet rotor circulator pump represents a solution for hot water circulation needs with an excellent price/quality ratio.
Alpha1 is available with nozzle connections from 15 to 32 mm and with maximum heads of 4, 5 and 6 metres.
All models have constant or proportional pressure regulation on 2 levels and 3 fixed speeds.
“N” versions in stainless steel and “A” versions with provision for automatic drain valve are available.
The front LED display indicates the set regulation mode and the instantaneous power absorbed.
Grundfos Alpha1 L 15-65/130 High Energy Efficiency Circulator
The new ALPHA1 L universal circulator is suitable for multiple applications:
Boilers
Underfloor heating systems
Mixing unit and boiler kit
Domestic hot water recirculation systems
Biomass heating
ALPHA1 L 
ALPHA1L is the new and only universal circulator capable of replacing 95% of Grundfos circulators currently installed in heating systems and boilers.
Thanks to its compact design, easy connection to signal cables (PWM), and high temperature tolerance, the ALPHA1 L fits seamlessly into most heating systems equipped with Grundfos circulators.
This means you can easily replace broken or energy-inefficient circulators without having to carry excess spare parts around with you, saving space, time and money.
High energy efficiency
The ALPHA1L is not only a viable option for replacing faulty circulation pumps, it also offers high energy efficiency, making it the ideal choice for new systems and/or renovations. The ALPHA1L features a state-of-the-art, energy-efficient motor that consumes less energy than previous models, resulting in lower operating costs.
The new ALPHA1 L universal circulator is suitable for multiple applications:
Boilers
Underfloor heating systems
Mixing unit and boiler kit
Domestic hot water recirculation systems
Biomass heating
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