⚙️ 02-4290 Hydrotherm Control Board w/ Display – KN-2 / KN Series Replacement
The 02-4290 Hydrotherm Control Board with Display is a reliable replacement part for KN-2 and KN Series Hydrotherm boilers. It provides precise control and monitoring of your boiler system, ensuring optimal performance and efficiency.
✅ Key Features
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✅ Direct replacement for KN-2 and KN Series Hydrotherm boilers
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✅ Integrated display for easy monitoring and diagnostics
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✅ Ensures efficient boiler operation and system control
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✅ High-quality construction for long-lasting performance
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✅ Easy installation for fast maintenance
🧩 Specifications
| Specification | Detail |
|---|
| Part Number |
02-4290 |
| Application |
Control Board w/ Display |
| Compatible Series |
KN-2, KN Series Hydrotherm Boilers |
| Function |
Boiler operation monitoring and control |
| Display |
Integrated digital display for diagnostics |
| Replacement Part |
OEM-compatible |
⚠️ Common Symptoms of Replacement Need
Replace the control board if you notice:
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🔸 Boiler fails to ignite or cycles incorrectly
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🔸 Display shows error codes or fails to power on
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🔸 Inconsistent temperature or pressure readings
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🔸 Burners do not respond to control commands
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🔸 System intermittently shuts down
❓ FAQ
Q: Is this control board compatible with all Hydrotherm models?
A: No, it is specifically designed for KN-2 and KN Series models. Verify your model before purchasing.
Q: Can I install this myself?
A: Yes, but ensure power is off and follow the manufacturer’s instructions carefully.
Q: Will this resolve all display and control issues?
A: If your issue is related to the control board or display, this replacement will typically fix it. Other system problems may require additional troubleshooting.
🛒 Shopping Tips
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✅ Verify your boiler model matches KN-2 or KN Series.
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✅ Take note of the old board’s wiring before removal.
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✅ Handle the board carefully to avoid static damage.
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✅ Keep your boiler manual handy for installation guidance.
