Pumps for heating
Circulation pump GRUNFOS ALPHA1 L 25-40 130 (99160578)
The indicated price is valid ordering till 31.01.2026.
Please contact us on +371 28339922 to check if the item is in stock before making a purchase. Just because the indication is available does not guarantee that the item is available immediately.
ALPHA1 L is a high efficiency circulation pump designed for heating systems. The pump can be used alone or integrated into existing systems as a replacement pump or into new heating systems.
Technical
Maximum pressure height: 40 dm
TF class: 95
Approvals on the passport data plate: VDE, CE, EAC, SEPRO
Model: C
Materials
Pump body: Cast iron, EN 1561 EN-GJL-150, ASTM ASTM A48-150B
Impeller: Composite, PES+30% GF
Installation
Ambient temperature range: 0 .. 55 °C
Maximum working pressure: 10 bar
Connection type: G
Connection size: 1 1/2 inch
Pressure rating: PN 10
Length from one attachment to another: 130 mm
Liquid
Liquid to be pumped: Water
Liquid temperature range: 2 .. 95 °C
Selected liquid temperature: 70 °C
Density at the selected liquid temperature: 977.8 kg/m³
Electrical data
Input power - P1: 4 .. 25 W
Mains frequency: 50 / 60 Hz
Nominal voltage: 1 x 230 V
Maximum current consumption: 0.05 .. 0.26 A
Enclosure class (IEC 34-5): X4D
Insulation class (IEC 85): F
Built-in motor protection: NONE
Thermal protection: ELEC
Control
Positions, junction box: 6H
The others
Energy (EEI): 0.20
Delivery volume: 0.004 m³










