Lochinvar & A.O. Smith 100109876 Switch
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Lochinvar & A.O. Smith 100109876 Switch

Lochinvar & A.O. Smith 100109876 Switch

Ensure the safe and efficient operation of your liquid propane heating systems with the Lochinvar & A.O. Smith 100109876 Switch. This genuine OEM LP gas pressure switch is a critical safety component designed to monitor incoming fuel pressure and prevent burner ignition if levels fall below the required threshold. Specifically calibrated for propane applications, it features a fixed set point of 9.0" WC (water column) to protect against low-pressure conditions that can cause incomplete combustion or pilot failure. As a veteran-grade HVAC replacement part, this low gas pressure switch is commonly utilized in high-efficiency Lochinvar boilers and commercial low NOx water heaters from A.O. Smith. Integrating this precision-engineered furnace pressure switch into your regular HVAC system diagnostics prevents nuisance lockouts and ensures the gas valve only opens when optimal combustion conditions are met. Rely on this field-tested component for professional-grade boiler repair and long-term system reliability.

Key Benefits
  • Precision Safety: Factory-set at 9.0" WC to provide accurate low-pressure detection for LP gas systems.
  • OEM Compatibility: Exact replacement for Lochinvar and A.O. Smith models, ensuring seamless fit and function.
  • Durable Construction: Built to withstand commercial boiler environment demands for consistent performance.
  • System Protection: Critical for preventing damage to the burner assembly and heat exchanger due to poor fuel mixtures.
Common Questions

What symptom indicates this switch has failed?
A common sign of a faulty gas pressure switch is a lockout error on the control board, often preventing the ignition sequence from starting even if gas is present. Always verify supply pressure with a manometer before replacing.

Can this switch be used for Natural Gas applications?
This specific model is calibrated for 9.0" WC, which is standard for liquid propane. Using it for Natural Gas without consulting the manufacturer's manual may cause improper operation due to different pressure requirements.

Is this a manual or automatic reset switch?
The 100109876 typically operates as an automatic reset switch, though it is often wired into a control circuit that requires a manual reset at the boiler interface once a fault is detected.

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.

$41.29
Lochinvar & A.O. Smith 100109876 Switch
$41.29

Lochinvar & A.O. Smith 100109876 Switch

Ensure the safe and efficient operation of your liquid propane heating systems with the Lochinvar & A.O. Smith 100109876 Switch. This genuine OEM LP gas pressure switch is a critical safety component designed to monitor incoming fuel pressure and prevent burner ignition if levels fall below the required threshold. Specifically calibrated for propane applications, it features a fixed set point of 9.0" WC (water column) to protect against low-pressure conditions that can cause incomplete combustion or pilot failure. As a veteran-grade HVAC replacement part, this low gas pressure switch is commonly utilized in high-efficiency Lochinvar boilers and commercial low NOx water heaters from A.O. Smith. Integrating this precision-engineered furnace pressure switch into your regular HVAC system diagnostics prevents nuisance lockouts and ensures the gas valve only opens when optimal combustion conditions are met. Rely on this field-tested component for professional-grade boiler repair and long-term system reliability.

Key Benefits
  • Precision Safety: Factory-set at 9.0" WC to provide accurate low-pressure detection for LP gas systems.
  • OEM Compatibility: Exact replacement for Lochinvar and A.O. Smith models, ensuring seamless fit and function.
  • Durable Construction: Built to withstand commercial boiler environment demands for consistent performance.
  • System Protection: Critical for preventing damage to the burner assembly and heat exchanger due to poor fuel mixtures.
Common Questions

What symptom indicates this switch has failed?
A common sign of a faulty gas pressure switch is a lockout error on the control board, often preventing the ignition sequence from starting even if gas is present. Always verify supply pressure with a manometer before replacing.

Can this switch be used for Natural Gas applications?
This specific model is calibrated for 9.0" WC, which is standard for liquid propane. Using it for Natural Gas without consulting the manufacturer's manual may cause improper operation due to different pressure requirements.

Is this a manual or automatic reset switch?
The 100109876 typically operates as an automatic reset switch, though it is often wired into a control circuit that requires a manual reset at the boiler interface once a fault is detected.

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

Ensure the safe and efficient operation of your liquid propane heating systems with the Lochinvar & A.O. Smith 100109876 Switch. This genuine OEM LP gas pressure switch is a critical safety component designed to monitor incoming fuel pressure and prevent burner ignition if levels fall below the required threshold. Specifically calibrated for propane applications, it features a fixed set point of 9.0" WC (water column) to protect against low-pressure conditions that can cause incomplete combustion or pilot failure. As a veteran-grade HVAC replacement part, this low gas pressure switch is commonly utilized in high-efficiency Lochinvar boilers and commercial low NOx water heaters from A.O. Smith. Integrating this precision-engineered furnace pressure switch into your regular HVAC system diagnostics prevents nuisance lockouts and ensures the gas valve only opens when optimal combustion conditions are met. Rely on this field-tested component for professional-grade boiler repair and long-term system reliability.

Key Benefits
  • Precision Safety: Factory-set at 9.0" WC to provide accurate low-pressure detection for LP gas systems.
  • OEM Compatibility: Exact replacement for Lochinvar and A.O. Smith models, ensuring seamless fit and function.
  • Durable Construction: Built to withstand commercial boiler environment demands for consistent performance.
  • System Protection: Critical for preventing damage to the burner assembly and heat exchanger due to poor fuel mixtures.
Common Questions

What symptom indicates this switch has failed?
A common sign of a faulty gas pressure switch is a lockout error on the control board, often preventing the ignition sequence from starting even if gas is present. Always verify supply pressure with a manometer before replacing.

Can this switch be used for Natural Gas applications?
This specific model is calibrated for 9.0" WC, which is standard for liquid propane. Using it for Natural Gas without consulting the manufacturer's manual may cause improper operation due to different pressure requirements.

Is this a manual or automatic reset switch?
The 100109876 typically operates as an automatic reset switch, though it is often wired into a control circuit that requires a manual reset at the boiler interface once a fault is detected.

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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