Lochinvar & A.O. Smith 100208637 Wire
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Lochinvar & A.O. Smith 100208637 Wire

Lochinvar & A.O. Smith 100208637 Wire

The Lochinvar & A.O. Smith 100208637 Gas Valve Wiring Harness is a critical OEM replacement component engineered for high-efficiency commercial boilers and water heaters. Designed to facilitate precise electrical communication between the integrated control board and the gas valve, this direct-spark ignition (DSI) wiring ensures reliable flame signals and valve modulation. Veteran technicians recognize this harness as essential for resolving "Gas Valve Not Energizing" or "Failed Trial for Ignition" error codes in Lochinvar Knight and A.O. Smith water heating systems. Constructed with high-temp insulation rated for 105°C, this boiler wiring harness prevents signal degradation caused by heat soak in the burner compartment. It is fully compatible with a wide range of models, including KBN399, KBN400, and AWN400PM. Replacing a brittle or corroded HVAC gas valve cable with this 100208637 factory-spec harness restores system safety and prevents intermittent shut-offs during high-fire modulation cycles.

Key Benefits

  • OEM Compatibility: Exact-fit replacement ensures seamless integration with Lochinvar Knight (KBN) and A.O. Smith commercial series.
  • High-Temperature Durability: Rated for severe cabinet environments to prevent wire hardening and electrical shorts.
  • Precise Signal Integrity: Maintains the millivolt/volt signals required for stable gas valve operation and safety circuit proving.
  • Simplified Field Replacement: Factory-terminated connectors eliminate the need for field splicing, reducing labor time and potential points of failure.

Common Questions

Which boilers use the 100208637 harness?

This harness is primarily used in Lochinvar Knight models ranging from 399 to 801 MBH and various A.O. Smith high-efficiency commercial water heaters where a secure connection to the gas valve is required.

Can this harness fix an "Ignition Failure" fault?

Yes, if troubleshooting reveals the gas valve is not receiving the proper voltage from the control board due to a broken or high-resistance wire, installing a new 100208637 harness often resolves the issue.

Does the harness include both the power and sensor leads?

The 100208637 is specifically designed as the gas valve interface harness, providing the necessary electrical path to energize the solenoid and maintain safe fuel flow during the heating cycle.

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.

$44.45
Lochinvar & A.O. Smith 100208637 Wire
$44.45

Lochinvar & A.O. Smith 100208637 Wire

The Lochinvar & A.O. Smith 100208637 Gas Valve Wiring Harness is a critical OEM replacement component engineered for high-efficiency commercial boilers and water heaters. Designed to facilitate precise electrical communication between the integrated control board and the gas valve, this direct-spark ignition (DSI) wiring ensures reliable flame signals and valve modulation. Veteran technicians recognize this harness as essential for resolving "Gas Valve Not Energizing" or "Failed Trial for Ignition" error codes in Lochinvar Knight and A.O. Smith water heating systems. Constructed with high-temp insulation rated for 105°C, this boiler wiring harness prevents signal degradation caused by heat soak in the burner compartment. It is fully compatible with a wide range of models, including KBN399, KBN400, and AWN400PM. Replacing a brittle or corroded HVAC gas valve cable with this 100208637 factory-spec harness restores system safety and prevents intermittent shut-offs during high-fire modulation cycles.

Key Benefits

  • OEM Compatibility: Exact-fit replacement ensures seamless integration with Lochinvar Knight (KBN) and A.O. Smith commercial series.
  • High-Temperature Durability: Rated for severe cabinet environments to prevent wire hardening and electrical shorts.
  • Precise Signal Integrity: Maintains the millivolt/volt signals required for stable gas valve operation and safety circuit proving.
  • Simplified Field Replacement: Factory-terminated connectors eliminate the need for field splicing, reducing labor time and potential points of failure.

Common Questions

Which boilers use the 100208637 harness?

This harness is primarily used in Lochinvar Knight models ranging from 399 to 801 MBH and various A.O. Smith high-efficiency commercial water heaters where a secure connection to the gas valve is required.

Can this harness fix an "Ignition Failure" fault?

Yes, if troubleshooting reveals the gas valve is not receiving the proper voltage from the control board due to a broken or high-resistance wire, installing a new 100208637 harness often resolves the issue.

Does the harness include both the power and sensor leads?

The 100208637 is specifically designed as the gas valve interface harness, providing the necessary electrical path to energize the solenoid and maintain safe fuel flow during the heating cycle.

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.

Product Information

Shipping & Returns

Description

The Lochinvar & A.O. Smith 100208637 Gas Valve Wiring Harness is a critical OEM replacement component engineered for high-efficiency commercial boilers and water heaters. Designed to facilitate precise electrical communication between the integrated control board and the gas valve, this direct-spark ignition (DSI) wiring ensures reliable flame signals and valve modulation. Veteran technicians recognize this harness as essential for resolving "Gas Valve Not Energizing" or "Failed Trial for Ignition" error codes in Lochinvar Knight and A.O. Smith water heating systems. Constructed with high-temp insulation rated for 105°C, this boiler wiring harness prevents signal degradation caused by heat soak in the burner compartment. It is fully compatible with a wide range of models, including KBN399, KBN400, and AWN400PM. Replacing a brittle or corroded HVAC gas valve cable with this 100208637 factory-spec harness restores system safety and prevents intermittent shut-offs during high-fire modulation cycles.

Key Benefits

  • OEM Compatibility: Exact-fit replacement ensures seamless integration with Lochinvar Knight (KBN) and A.O. Smith commercial series.
  • High-Temperature Durability: Rated for severe cabinet environments to prevent wire hardening and electrical shorts.
  • Precise Signal Integrity: Maintains the millivolt/volt signals required for stable gas valve operation and safety circuit proving.
  • Simplified Field Replacement: Factory-terminated connectors eliminate the need for field splicing, reducing labor time and potential points of failure.

Common Questions

Which boilers use the 100208637 harness?

This harness is primarily used in Lochinvar Knight models ranging from 399 to 801 MBH and various A.O. Smith high-efficiency commercial water heaters where a secure connection to the gas valve is required.

Can this harness fix an "Ignition Failure" fault?

Yes, if troubleshooting reveals the gas valve is not receiving the proper voltage from the control board due to a broken or high-resistance wire, installing a new 100208637 harness often resolves the issue.

Does the harness include both the power and sensor leads?

The 100208637 is specifically designed as the gas valve interface harness, providing the necessary electrical path to energize the solenoid and maintain safe fuel flow during the heating cycle.

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.