The Utica-Dunkirk 550001626 is a replacement part control board for Argo AT Series Electric Boilers. Â
The control board has circulator terminal contacts and provides additional contacts for optional low water cut-off & flow switch controls.  Also, it features two adjustable temperature controls: Operating Temperature Control (90°F to 180°F with a fixed 200°F high limit) and Operating Temperature Differential Control (+/-4°F to +/-20°F).
Equipped with LED indicator lights to easily monitor boilers' status.Â
LED Light Color
Description
Green Light beside the blue contacts
Safety Switch - LED is lit when there are no safety faults
Green Light near the black contacts
Circulator LED -Â indicates operation
RedÂ
Self-diagnostic LED indicator - provides error code messages for quick diagnosis and repair
The board safely and efficiently controls the 4 Element Electric Boiler. Keep your boiler running by replacing your old Circuit Microprocessor Based Control Board. Cost-effective and easy to install.
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