
Lochinvar & A.O. Smith 100112698 Wiring Harness
The Lochinvar & A.O. Smith 100112698 Wiring Harness is a critical OEM replacement part designed for high-efficiency water heater blower motors and control systems. This 51.5-inch wire blower HW channel harness provides the essential electrical backbone for transmitting power and control signals between the integrated control board and the combustion blower assembly. As a genuine factory part, the 100112698 harness eliminates the signal interference and resistance issues often found with aftermarket "universal" kits, ensuring your HVACR equipment maintains its factory-specified firing rates and safety parameters. Professional technicians rely on this specific Lochinvar wiring kit for its precise pin configurations and heavy-duty insulation, which are engineered to withstand the high-temperature environments typical of commercial and residential boiler cabinets. Whether you are troubleshooting a blower motor communication error or performing a complete system overhaul, utilizing this original equipment manufacturer harness is the only way to ensure 100% part compatibility and long-term circuit integrity.
Key Benefits:- Precise 51.5-Inch Reach: Optimized length for clean routing through HW channels, preventing wire tension and mechanical wear.
- OEM Connector Integrity: Features factory-molded terminal plugs that ensure secure, vibration-resistant connections to the blower motor and control module.
- Signal Reliability: High-grade copper conductors reduce voltage drop, maintaining consistent communication for modulating combustion systems.
- Durable Insulation: Specialized jacketing designed to resist thermal degradation and moisture within gas-fired water heater enclosures.
Is this wiring harness compatible with all Lochinvar boilers?
No, the 100112698 is specific to certain models and serial number ranges utilizing HW channels. Always verify your specific model number against the manufacturer’s parts list before installation.
Can I use this to replace a shorter 100112697 harness?
While the pinouts may look similar, the 51.5-inch length of the 100112698 is specifically calibrated for certain cabinet dimensions. Using the wrong harness can lead to improper routing and potential electrical shorts.
Does this harness include the blower motor?
This is the wiring harness kit only. If you are experiencing a total blower failure, you should test the harness continuity and the motor separately to determine which component requires replacement.
This item is not eligible for free shipping.
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: $162.31
-65%$162.31
$56.81Lochinvar & A.O. Smith 100112698 Wiring Harness
The Lochinvar & A.O. Smith 100112698 Wiring Harness is a critical OEM replacement part designed for high-efficiency water heater blower motors and control systems. This 51.5-inch wire blower HW channel harness provides the essential electrical backbone for transmitting power and control signals between the integrated control board and the combustion blower assembly. As a genuine factory part, the 100112698 harness eliminates the signal interference and resistance issues often found with aftermarket "universal" kits, ensuring your HVACR equipment maintains its factory-specified firing rates and safety parameters. Professional technicians rely on this specific Lochinvar wiring kit for its precise pin configurations and heavy-duty insulation, which are engineered to withstand the high-temperature environments typical of commercial and residential boiler cabinets. Whether you are troubleshooting a blower motor communication error or performing a complete system overhaul, utilizing this original equipment manufacturer harness is the only way to ensure 100% part compatibility and long-term circuit integrity.
Key Benefits:- Precise 51.5-Inch Reach: Optimized length for clean routing through HW channels, preventing wire tension and mechanical wear.
- OEM Connector Integrity: Features factory-molded terminal plugs that ensure secure, vibration-resistant connections to the blower motor and control module.
- Signal Reliability: High-grade copper conductors reduce voltage drop, maintaining consistent communication for modulating combustion systems.
- Durable Insulation: Specialized jacketing designed to resist thermal degradation and moisture within gas-fired water heater enclosures.
Is this wiring harness compatible with all Lochinvar boilers?
No, the 100112698 is specific to certain models and serial number ranges utilizing HW channels. Always verify your specific model number against the manufacturer’s parts list before installation.
Can I use this to replace a shorter 100112697 harness?
While the pinouts may look similar, the 51.5-inch length of the 100112698 is specifically calibrated for certain cabinet dimensions. Using the wrong harness can lead to improper routing and potential electrical shorts.
Does this harness include the blower motor?
This is the wiring harness kit only. If you are experiencing a total blower failure, you should test the harness continuity and the motor separately to determine which component requires replacement.
This item is not eligible for free shipping.
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 100112698 Wiring Harness is a critical OEM replacement part designed for high-efficiency water heater blower motors and control systems. This 51.5-inch wire blower HW channel harness provides the essential electrical backbone for transmitting power and control signals between the integrated control board and the combustion blower assembly. As a genuine factory part, the 100112698 harness eliminates the signal interference and resistance issues often found with aftermarket "universal" kits, ensuring your HVACR equipment maintains its factory-specified firing rates and safety parameters. Professional technicians rely on this specific Lochinvar wiring kit for its precise pin configurations and heavy-duty insulation, which are engineered to withstand the high-temperature environments typical of commercial and residential boiler cabinets. Whether you are troubleshooting a blower motor communication error or performing a complete system overhaul, utilizing this original equipment manufacturer harness is the only way to ensure 100% part compatibility and long-term circuit integrity.
Key Benefits:- Precise 51.5-Inch Reach: Optimized length for clean routing through HW channels, preventing wire tension and mechanical wear.
- OEM Connector Integrity: Features factory-molded terminal plugs that ensure secure, vibration-resistant connections to the blower motor and control module.
- Signal Reliability: High-grade copper conductors reduce voltage drop, maintaining consistent communication for modulating combustion systems.
- Durable Insulation: Specialized jacketing designed to resist thermal degradation and moisture within gas-fired water heater enclosures.
Is this wiring harness compatible with all Lochinvar boilers?
No, the 100112698 is specific to certain models and serial number ranges utilizing HW channels. Always verify your specific model number against the manufacturer’s parts list before installation.
Can I use this to replace a shorter 100112697 harness?
While the pinouts may look similar, the 51.5-inch length of the 100112698 is specifically calibrated for certain cabinet dimensions. Using the wrong harness can lead to improper routing and potential electrical shorts.
Does this harness include the blower motor?
This is the wiring harness kit only. If you are experiencing a total blower failure, you should test the harness continuity and the motor separately to determine which component requires replacement.
This item is not eligible for free shipping.
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.












