Alpha2

The Grundfos ALPHA2 domestic circulator offers the best energy efficiency in the market with its range of control modes and simple hydronic balancing.

FAQ

Troubleshooting

Videos

Alarm codes
Product Number

Alarm codes

Code	Description
E1	Pump blocked
E2	Inadequate power supply
E3	Internal error
E4	Dry running

Product Number

Number	Description
95047514	ALPHA2 25-40 180 1x230V 50Hz 6H DE
95047515	ALPHA2 25-40 A 180 1x230V 50Hz 6H DE
95047516	ALPHA2 25-40 N 180 1x230V 50Hz 6H DE
95047517	ALPHA2 25-40 130 1x230V 50Hz 6H DE
95047518	ALPHA2 25-60 180 1x230V 50Hz 6H DE
95047519	ALPHA2 25-60 A 180 1x230V 50Hz 6H DE
95047520	ALPHA2 25-60 N 180 1x230V 50Hz 6H DE
95047521	ALPHA2 25-60 130 1x230V 50Hz 6H DE
95047522	ALPHA2 32-40 180 1x230V 50Hz 6H DE
95047523	ALPHA2 32-60 180 1x230V 50Hz 6H DE
95047525	ALPHA2 15-60 130 1x230V 50Hz 6H DE
95047526	ALPHA2 15-40 130 1x230V 50Hz 6H DE
97533051	ALPHA2 L 15-40 130 1X230V 50Hz 6H DE
97533052	ALPHA2 L 25-40 130 1X230V 50Hz 6H DE
97533053	ALPHA2 L 25-40 180 1X230V 50Hz 6H DE
97533054	ALPHA2 L 32-40 180 1X230V 50Hz 6H DE
97533055	ALPHA2 L 15-60 130 1X230V 50Hz 6H DE
97533056	ALPHA2 L 25-60 130 1X230V 50Hz 6H DE
97533057	ALPHA2 L 25-60 180 1X230V 50Hz 6H DE
97533058	ALPHA2 L 32-60 180 1X230V 50Hz 6H DE
97687890	ALPHA2 20-40 N 150 1x230V 50Hz 6H DE
97687911	ALPHA2 20-60 N 150 1x230V 50Hz 6H DE
97762996	ALPHA2 20-50 N 150 1x230V 50Hz 6H DE
97914899	ALPHA2 15-40 130 1x230V 50Hz 6H DE
97914900	ALPHA2 15-60 130 1x230V 50Hz 6H DE
97914901	ALPHA2 25-40 130 1x230V 50Hz 6H DE
97914902	ALPHA2 25-60 130 1x230V 50Hz 6H DE
97914903	ALPHA2 25-40 180 1x230V 50Hz 6H DE
97914904	ALPHA2 25-40 A 180 1x230V 50Hz 6H DE
97914905	ALPHA2 25-60 180 1x230V 50Hz 6H DE
97914906	ALPHA2 25-60 A 180 1x230V 50Hz 6H DE
97914907	ALPHA2 32-40 180 1x230V 50Hz 6H DE
97914908	ALPHA2 32-60 180 1x230V 50Hz 6H DE
97914909	ALPHA2 25-40 N 130 1X230V 50HZ 6H
97914910	ALPHA2 25-60 N 130 1X230V 50HZ 6H
97914911	ALPHA2 25-40 N 180 1X230V 50HZ 6H
97914912	ALPHA2 25-60 N 180 1X230V 50HZ 6H
97914913	ALPHA2 32-40 N 180 1X230V 50HZ 6H
97914914	ALPHA2 32-60 N 180 1X230V 50HZ 6H
98146799	ALPHA2 L 20-45 N 150 1x230V 50Hz 6H DE
98288730	ALPHA2 L 20-40 N 150 1x230V 50Hz 6H DE
98288731	ALPHA2 L 25-40 N 180 1x230V 50Hz 6H DE
98288733	ALPHA2 L 20-60 N 150 1x230V 50Hz 6H DE
98288734	ALPHA2 L 25-60 N 180 1x230V 50Hz 6H DE
98288735	ALPHA2 L 20-40 130 1x230V 50Hz 6H DE
98288736	ALPHA2 L 25-40 A 180 1X230V 50Hz 6H DE
98288737	ALPHA2 L 20-60 130 1x230V 50Hz 6H DE
98288738	ALPHA2 L 25-60 A 180 1X230V 50Hz 6H DE
98649755	ALPHA2 25-80 130 1x230V 50Hz 6H DE
98649758	ALPHA2 25-80 180 1x230V 50Hz 6H DE
98676767	ALPHA2 15-80 130 1x230V 50Hz 6H DE
98676768	ALPHA2 32-80 180 1x230V 50Hz 6H DE
98676785	ALPHA2 25-80 N 130 1X230V 50HZ 6H
98676786	ALPHA2 25-80 N 180 1X230V 50HZ 6H
98676787	ALPHA2 32-80 N 180 1X230V 50HZ 6H
99261679	ALPHA2 15-40 130 1x230V 50Hz 6H DACH