
Lochinvar & A.O. Smith 100112840 Connector Board
The Lochinvar & A.O. Smith 100112840 Connector Board is a critical OEM replacement part engineered for precise electrical signal routing in high-efficiency commercial boilers and water heaters. As a veteran tech knows, maintaining signal integrity between the primary control module and peripheral sensors is vital for preventing nuisance lockout codes. This 100112840 circuit board serves as the central hub for component communication, ensuring that voltage transitions and logic pathways remain stable under high-demand thermal cycling.
Designed for a direct-fit install, this connector board eliminates the guesswork associated with aftermarket alternatives that often fail to meet exact resistance specifications. Whether you are servicing a Lochinvar Knight or a heavy-duty A.O. Smith unit, utilizing this genuine Lochinvar part ensures the system maintains its original engineering parameters. It is an essential item for any professional truck stock to resolve intermittent communication errors and restore system reliability without compromising the unit’s boiler control system integrity.
Technical Benefits for Contractors- Direct OEM Compatibility: Specifically engineered for a seamless fit in Lochinvar and A.O. Smith HVACR equipment, reducing installation time on the job site.
- Enhanced Signal Reliability: High-grade trace pathways ensure consistent electrical connectivity for critical safety and sensors.
- Simplified Troubleshooting: Stabilizes internal communication, helping technicians isolate issues within the water heater wiring harness or main control.
- Industrial Build Quality: Constructed to withstand the ambient heat and vibration common in mechanical rooms.
What are the signs of a failing 100112840 connector board?
Technicians typically observe erratic sensor readings, intermittent power loss to specific components, or communication fault codes that cannot be cleared through a standard reset. Inspect the board for scorched traces or loose pin headers.
Is this board compatible with both Lochinvar and A.O. Smith models?
Yes, this 100112840 connector board is a shared component across select high-efficiency platforms from both manufacturers. Always verify the part number against the specific boiler technical manual for your model and serial number.
Does this part require secondary programming?
This is a hardware interface connector board and generally does not require software flashing, though it must be integrated with the existing calibrated control module.
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: $87.97
-65%$87.97
$30.79Lochinvar & A.O. Smith 100112840 Connector Board
The Lochinvar & A.O. Smith 100112840 Connector Board is a critical OEM replacement part engineered for precise electrical signal routing in high-efficiency commercial boilers and water heaters. As a veteran tech knows, maintaining signal integrity between the primary control module and peripheral sensors is vital for preventing nuisance lockout codes. This 100112840 circuit board serves as the central hub for component communication, ensuring that voltage transitions and logic pathways remain stable under high-demand thermal cycling.
Designed for a direct-fit install, this connector board eliminates the guesswork associated with aftermarket alternatives that often fail to meet exact resistance specifications. Whether you are servicing a Lochinvar Knight or a heavy-duty A.O. Smith unit, utilizing this genuine Lochinvar part ensures the system maintains its original engineering parameters. It is an essential item for any professional truck stock to resolve intermittent communication errors and restore system reliability without compromising the unit’s boiler control system integrity.
Technical Benefits for Contractors- Direct OEM Compatibility: Specifically engineered for a seamless fit in Lochinvar and A.O. Smith HVACR equipment, reducing installation time on the job site.
- Enhanced Signal Reliability: High-grade trace pathways ensure consistent electrical connectivity for critical safety and sensors.
- Simplified Troubleshooting: Stabilizes internal communication, helping technicians isolate issues within the water heater wiring harness or main control.
- Industrial Build Quality: Constructed to withstand the ambient heat and vibration common in mechanical rooms.
What are the signs of a failing 100112840 connector board?
Technicians typically observe erratic sensor readings, intermittent power loss to specific components, or communication fault codes that cannot be cleared through a standard reset. Inspect the board for scorched traces or loose pin headers.
Is this board compatible with both Lochinvar and A.O. Smith models?
Yes, this 100112840 connector board is a shared component across select high-efficiency platforms from both manufacturers. Always verify the part number against the specific boiler technical manual for your model and serial number.
Does this part require secondary programming?
This is a hardware interface connector board and generally does not require software flashing, though it must be integrated with the existing calibrated control module.
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.
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Description
The Lochinvar & A.O. Smith 100112840 Connector Board is a critical OEM replacement part engineered for precise electrical signal routing in high-efficiency commercial boilers and water heaters. As a veteran tech knows, maintaining signal integrity between the primary control module and peripheral sensors is vital for preventing nuisance lockout codes. This 100112840 circuit board serves as the central hub for component communication, ensuring that voltage transitions and logic pathways remain stable under high-demand thermal cycling.
Designed for a direct-fit install, this connector board eliminates the guesswork associated with aftermarket alternatives that often fail to meet exact resistance specifications. Whether you are servicing a Lochinvar Knight or a heavy-duty A.O. Smith unit, utilizing this genuine Lochinvar part ensures the system maintains its original engineering parameters. It is an essential item for any professional truck stock to resolve intermittent communication errors and restore system reliability without compromising the unit’s boiler control system integrity.
Technical Benefits for Contractors- Direct OEM Compatibility: Specifically engineered for a seamless fit in Lochinvar and A.O. Smith HVACR equipment, reducing installation time on the job site.
- Enhanced Signal Reliability: High-grade trace pathways ensure consistent electrical connectivity for critical safety and sensors.
- Simplified Troubleshooting: Stabilizes internal communication, helping technicians isolate issues within the water heater wiring harness or main control.
- Industrial Build Quality: Constructed to withstand the ambient heat and vibration common in mechanical rooms.
What are the signs of a failing 100112840 connector board?
Technicians typically observe erratic sensor readings, intermittent power loss to specific components, or communication fault codes that cannot be cleared through a standard reset. Inspect the board for scorched traces or loose pin headers.
Is this board compatible with both Lochinvar and A.O. Smith models?
Yes, this 100112840 connector board is a shared component across select high-efficiency platforms from both manufacturers. Always verify the part number against the specific boiler technical manual for your model and serial number.
Does this part require secondary programming?
This is a hardware interface connector board and generally does not require software flashing, though it must be integrated with the existing calibrated control module.
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.












