The Utica-Dunkirk 550001626 is a circuit board with LED indicator lights that allow users to easily monitor the boiler's status. Additionally, it includes circulator terminal contacts, which provide extra contacts for optional low water cut-off and flow switch controls.
| 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 - indicates operation |
| Red | Self-diagnostic LED indicator - provides error code messages for quick diagnosis and repair |
This circuit board ensures efficient system performance by allowing accurate temperature adjustments and seamless monitoring. Whether fine-tuning operating parameters or managing control sequences, it delivers consistent and precise operation.
Offers operating temperature control (90 to 180°F with a fixed 200°F high limit) and operating temperature differential control (+/-4 to +/-20°F). Designed for Argo "AT" Series 4-element boilers with breakers, making it suitable for residential and commercial heating systems.
Q: What is the Utica-Dunkirk 550001626 circuit board used for?
A: The Utica-Dunkirk 550001626 circuit board is used to control and monitor operation in Argo “AT” Series 4-element electric boilers with breakers. It manages key boiler functions, including temperature control, safety switch monitoring, circulator operation, and diagnostic status reporting.
Q: What product does the 550001626 replace?
A: The Utica-Dunkirk 550001626 is a direct replacement for the obsolete Utica-Dunkirk Z-300 Argo Control Board.
Q: Does this circuit board have diagnostic indicator lights?
A: Yes. The 550001626 includes LED indicator lights that help identify operating status and potential faults. It has a safety switch LED, circulator LED, and a red self-diagnostic LED for error code messages.
Q: What do the LED lights on the Utica-Dunkirk 550001626 indicate?
A: The green LED near the blue contacts indicates safety switch status and lights when there are no safety faults. The green LED near the black contacts indicates circulator operation. The red LED provides self-diagnostic error code messages for troubleshooting.
Q: What temperature range does this control board support?
A: The board offers operating temperature control from 90°F to 180°F and includes a fixed 200°F high limit.
Q: Does the 550001626 support temperature differential adjustment?
A: Yes. The Utica-Dunkirk 550001626 supports operating temperature differential control from +/-4°F to +/-20°F, allowing more precise boiler operation.
Q: Is the 550001626 suitable for residential and commercial heating systems?
A: Yes. This circuit board is designed for Argo “AT” Series 4-element electric boilers and may be used in applicable residential and commercial hydronic heating systems.
Q: Does this board include contacts for low water cut-off or flow switch controls?
A: Yes. The board includes circulator terminal contacts and additional contacts for optional low water cut-off and flow switch controls.
Q: Can this circuit board help with boiler troubleshooting?
A: Yes. The red self-diagnostic LED provides error code messages, helping technicians identify faults more quickly during service or repair.
| Operating Temperature Differential Control | +/-4 to +/-20°F |
|---|---|
| Product Type | Circuit Board |
| Applications | Heating Systems |
| Compatible Series | Argo AT Series 4-Element Boilers |
| Operating Temperature Control | 90 to 180°F with a Fixed 200°F High Limit |
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By Michael
from kitimat BC
Yes, I would recommend this product to a friend or co-worker
identical, solved the problem
By Marc
from Montreal QC
Yes, I would recommend this product to a friend or co-worker
Excellent customer service (yes they actually call you on the phone ;) Item was as expected and nicely wrapped for transport.
By Kyle
from Hillview NL
Yes, I would recommend this product to a friend or co-worker
By Chris
from mill bay BC
Yes, I would recommend this product to a friend or co-worker
Excellent service quick delivery very well packaged. A bit of a daunting task but took my time and was carefully and it worked first time. Still intend to send in some photos of our experience. Can't thank you enough Chris
By Robert
from Quispamsis NB
Yes, I would recommend this product to a friend or co-worker
Easy installation, and performs flawlessly. I am a P&H contractor but this was to repair my own home boiler. Ive been keeping a close eye on it all winter and have 0 deficiencies to report.
By Matt
from
Yes, I would recommend this product to a friend or co-worker
You get what you pay for! Everything you need to install the board and more. Very happy
By Mark
from
Yes, I would recommend this product to a friend or co-worker
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