Lochinvar & A.O. Smith 100166064 Pressure Switch
The Lochinvar & A.O. Smith 100166064 Pressure Switch is a critical safety component engineered for precise airflow monitoring in high-efficiency water heaters and condensing boilers. Designed to prove the inducer motor draft before the ignition sequence begins, this genuine OEM pressure switch prevents the burner from firing if unsafe venting conditions, such as flue blockages or intake restrictions, are detected. This mechanical-to-electrical transducer maintains the integrity of the combustion system by closing its internal contacts only when the negative pressure reaches the specific factory-calibrated set point.
For service technicians, replacing a failed or sticking diaphragm with this direct replacement part ensures the unit exits a hard lockout cycle and returns to standard operation. Built to withstand the high-temperature environment of modern HVAC inducer assemblies, the 100166064 is compatible with a wide range of Lochinvar Knight and A.O. Smith commercial water heating models. Consistent reliability of this air pressure sensing switch is essential for optimizing fuel-to-air ratios and preventing the buildup of hazardous exhaust gases within the heat exchanger.
Key Benefits for Contractors:- OEM Compatibility: Precision-matched for Lochinvar and A.O. Smith systems to ensure seamless integration with the existing control board.
- Safety Compliance: Engineered to detect venting obstructions and failed inducer motors, protecting the heat exchanger from operational stress.
- Rugged Construction: Features a durable housing and high-grade diaphragm materials to handle the cycling demands of heavy commercial applications.
- Optimized Performance: Maintains precise pressure thresholds to prevent nuisance trips and intermittent ignition failures.
- Universal Inducer Connection: Standardized porting allows for quick vacuum hose attachment during field service calls.
- What are the signs of a faulty pressure switch? Common symptoms include the inducer motor running continuously without ignition, "pressure switch stuck open" error codes, and short-cycling during the pre-purge phase.
- How do I test this switch in the field? Use a multimeter to check for continuity across the terminals when the inducer motor is active and creating the required water column (WC) pressure.
- Can I use an adjustable switch as a substitute? We strongly recommend using the 100166064 OEM switch because the fixed set point is specifically calibrated to the unit's venting requirements and safety parameters.
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: $384.85
-65%$384.85
$134.70Lochinvar & A.O. Smith 100166064 Pressure Switch
The Lochinvar & A.O. Smith 100166064 Pressure Switch is a critical safety component engineered for precise airflow monitoring in high-efficiency water heaters and condensing boilers. Designed to prove the inducer motor draft before the ignition sequence begins, this genuine OEM pressure switch prevents the burner from firing if unsafe venting conditions, such as flue blockages or intake restrictions, are detected. This mechanical-to-electrical transducer maintains the integrity of the combustion system by closing its internal contacts only when the negative pressure reaches the specific factory-calibrated set point.
For service technicians, replacing a failed or sticking diaphragm with this direct replacement part ensures the unit exits a hard lockout cycle and returns to standard operation. Built to withstand the high-temperature environment of modern HVAC inducer assemblies, the 100166064 is compatible with a wide range of Lochinvar Knight and A.O. Smith commercial water heating models. Consistent reliability of this air pressure sensing switch is essential for optimizing fuel-to-air ratios and preventing the buildup of hazardous exhaust gases within the heat exchanger.
Key Benefits for Contractors:- OEM Compatibility: Precision-matched for Lochinvar and A.O. Smith systems to ensure seamless integration with the existing control board.
- Safety Compliance: Engineered to detect venting obstructions and failed inducer motors, protecting the heat exchanger from operational stress.
- Rugged Construction: Features a durable housing and high-grade diaphragm materials to handle the cycling demands of heavy commercial applications.
- Optimized Performance: Maintains precise pressure thresholds to prevent nuisance trips and intermittent ignition failures.
- Universal Inducer Connection: Standardized porting allows for quick vacuum hose attachment during field service calls.
- What are the signs of a faulty pressure switch? Common symptoms include the inducer motor running continuously without ignition, "pressure switch stuck open" error codes, and short-cycling during the pre-purge phase.
- How do I test this switch in the field? Use a multimeter to check for continuity across the terminals when the inducer motor is active and creating the required water column (WC) pressure.
- Can I use an adjustable switch as a substitute? We strongly recommend using the 100166064 OEM switch because the fixed set point is specifically calibrated to the unit's venting requirements and safety parameters.
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 100166064 Pressure Switch is a critical safety component engineered for precise airflow monitoring in high-efficiency water heaters and condensing boilers. Designed to prove the inducer motor draft before the ignition sequence begins, this genuine OEM pressure switch prevents the burner from firing if unsafe venting conditions, such as flue blockages or intake restrictions, are detected. This mechanical-to-electrical transducer maintains the integrity of the combustion system by closing its internal contacts only when the negative pressure reaches the specific factory-calibrated set point.
For service technicians, replacing a failed or sticking diaphragm with this direct replacement part ensures the unit exits a hard lockout cycle and returns to standard operation. Built to withstand the high-temperature environment of modern HVAC inducer assemblies, the 100166064 is compatible with a wide range of Lochinvar Knight and A.O. Smith commercial water heating models. Consistent reliability of this air pressure sensing switch is essential for optimizing fuel-to-air ratios and preventing the buildup of hazardous exhaust gases within the heat exchanger.
Key Benefits for Contractors:- OEM Compatibility: Precision-matched for Lochinvar and A.O. Smith systems to ensure seamless integration with the existing control board.
- Safety Compliance: Engineered to detect venting obstructions and failed inducer motors, protecting the heat exchanger from operational stress.
- Rugged Construction: Features a durable housing and high-grade diaphragm materials to handle the cycling demands of heavy commercial applications.
- Optimized Performance: Maintains precise pressure thresholds to prevent nuisance trips and intermittent ignition failures.
- Universal Inducer Connection: Standardized porting allows for quick vacuum hose attachment during field service calls.
- What are the signs of a faulty pressure switch? Common symptoms include the inducer motor running continuously without ignition, "pressure switch stuck open" error codes, and short-cycling during the pre-purge phase.
- How do I test this switch in the field? Use a multimeter to check for continuity across the terminals when the inducer motor is active and creating the required water column (WC) pressure.
- Can I use an adjustable switch as a substitute? We strongly recommend using the 100166064 OEM switch because the fixed set point is specifically calibrated to the unit's venting requirements and safety parameters.
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.
