Lochinvar & A.O. Smith 100208458 Control Board
The Lochinvar & A.O. Smith 100208458 Interface Control Board is a critical genuine OEM replacement designed for professional-grade hydronic and domestic hot water systems. This high-performance interface control board, also identified by the legacy part number RLY20058, functions as the primary communication bridge between the user interface display and the main integrated boiler control. It ensures precise data transmission for monitoring modulation rates, temperature set points, and system error codes. Engineered specifically for Lochinvar Knight and A.O. Smith residential and commercial units, this board is a direct drop-in replacement for obsolete part numbers RLY20058K and 100167575. By facilitating seamless HVAC system communication, it allows technicians to accurately diagnose fault messages and maintain optimal energy efficiency. For contractors performing corrective maintenance, installing this authentic OEM control board guarantees full compatibility with existing ribbon cables and terminal connections, preventing the communication lag or display failures often associated with non-genuine components.
Key Benefits for Technicians:- Direct OEM Replacement: Fully replaces legacy part numbers RLY20058, RLY20058K, and 100167575 without requiring system modifications.
- Enhanced System Accuracy: Restores precise communication for monitoring outlet water temperature, flue temperature, and modulation levels.
- Broad Compatibility: Fits a wide range of high-efficiency models, including Lochinvar AWH0500NPM through AWN801PM and various Knight wall-mount series.
- Optimized Diagnostics: Re-establishes the connection between the Smart System display and the main module to ensure fault messages are correctly reported.
- Rugged Industrial Design: Built to withstand the thermal demands of commercial boiler rooms and complex hydronic loops.
Is 100208458 compatible with my current unit if my part is labeled RLY20058?
Yes, 100208458 is the current manufacturer-standard part number and is 100% identical in function and fit to the RLY20058. It is a direct successor designed for the same heating system applications.
What are the symptoms of a failing interface control board?
Technicians typically observe a "No Display" condition, frozen screens, or intermittent communication errors where the user interface fails to respond to inputs or loses the data link to the main control board.
Does this board require special programming upon installation?
As a genuine OEM interface board, it is designed for plug-and-play communication. However, always verify that the ribbon cable connections are secure and that the firmware is compatible with your specific boiler or water heater serial number.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $358.67
-65%$358.67
$125.53Lochinvar & A.O. Smith 100208458 Control Board
The Lochinvar & A.O. Smith 100208458 Interface Control Board is a critical genuine OEM replacement designed for professional-grade hydronic and domestic hot water systems. This high-performance interface control board, also identified by the legacy part number RLY20058, functions as the primary communication bridge between the user interface display and the main integrated boiler control. It ensures precise data transmission for monitoring modulation rates, temperature set points, and system error codes. Engineered specifically for Lochinvar Knight and A.O. Smith residential and commercial units, this board is a direct drop-in replacement for obsolete part numbers RLY20058K and 100167575. By facilitating seamless HVAC system communication, it allows technicians to accurately diagnose fault messages and maintain optimal energy efficiency. For contractors performing corrective maintenance, installing this authentic OEM control board guarantees full compatibility with existing ribbon cables and terminal connections, preventing the communication lag or display failures often associated with non-genuine components.
Key Benefits for Technicians:- Direct OEM Replacement: Fully replaces legacy part numbers RLY20058, RLY20058K, and 100167575 without requiring system modifications.
- Enhanced System Accuracy: Restores precise communication for monitoring outlet water temperature, flue temperature, and modulation levels.
- Broad Compatibility: Fits a wide range of high-efficiency models, including Lochinvar AWH0500NPM through AWN801PM and various Knight wall-mount series.
- Optimized Diagnostics: Re-establishes the connection between the Smart System display and the main module to ensure fault messages are correctly reported.
- Rugged Industrial Design: Built to withstand the thermal demands of commercial boiler rooms and complex hydronic loops.
Is 100208458 compatible with my current unit if my part is labeled RLY20058?
Yes, 100208458 is the current manufacturer-standard part number and is 100% identical in function and fit to the RLY20058. It is a direct successor designed for the same heating system applications.
What are the symptoms of a failing interface control board?
Technicians typically observe a "No Display" condition, frozen screens, or intermittent communication errors where the user interface fails to respond to inputs or loses the data link to the main control board.
Does this board require special programming upon installation?
As a genuine OEM interface board, it is designed for plug-and-play communication. However, always verify that the ribbon cable connections are secure and that the firmware is compatible with your specific boiler or water heater serial number.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Lochinvar & A.O. Smith 100208458 Interface Control Board is a critical genuine OEM replacement designed for professional-grade hydronic and domestic hot water systems. This high-performance interface control board, also identified by the legacy part number RLY20058, functions as the primary communication bridge between the user interface display and the main integrated boiler control. It ensures precise data transmission for monitoring modulation rates, temperature set points, and system error codes. Engineered specifically for Lochinvar Knight and A.O. Smith residential and commercial units, this board is a direct drop-in replacement for obsolete part numbers RLY20058K and 100167575. By facilitating seamless HVAC system communication, it allows technicians to accurately diagnose fault messages and maintain optimal energy efficiency. For contractors performing corrective maintenance, installing this authentic OEM control board guarantees full compatibility with existing ribbon cables and terminal connections, preventing the communication lag or display failures often associated with non-genuine components.
Key Benefits for Technicians:- Direct OEM Replacement: Fully replaces legacy part numbers RLY20058, RLY20058K, and 100167575 without requiring system modifications.
- Enhanced System Accuracy: Restores precise communication for monitoring outlet water temperature, flue temperature, and modulation levels.
- Broad Compatibility: Fits a wide range of high-efficiency models, including Lochinvar AWH0500NPM through AWN801PM and various Knight wall-mount series.
- Optimized Diagnostics: Re-establishes the connection between the Smart System display and the main module to ensure fault messages are correctly reported.
- Rugged Industrial Design: Built to withstand the thermal demands of commercial boiler rooms and complex hydronic loops.
Is 100208458 compatible with my current unit if my part is labeled RLY20058?
Yes, 100208458 is the current manufacturer-standard part number and is 100% identical in function and fit to the RLY20058. It is a direct successor designed for the same heating system applications.
What are the symptoms of a failing interface control board?
Technicians typically observe a "No Display" condition, frozen screens, or intermittent communication errors where the user interface fails to respond to inputs or loses the data link to the main control board.
Does this board require special programming upon installation?
As a genuine OEM interface board, it is designed for plug-and-play communication. However, always verify that the ribbon cable connections are secure and that the firmware is compatible with your specific boiler or water heater serial number.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
