Utica-Dunkirk 12356 Fan & Limtie
The Utica-Dunkirk 12356 Fan & Limit Control is a critical safety and operational component designed for forced-air heating systems. This 11-inch insertion probe features a 190°F high-limit cut-out, providing essential protection against heat exchanger overheating. As a versatile combination fan and limit switch, it manages the blower motor’s on/off cycles based on plenum temperature while maintaining a fixed safety ceiling. The helical bimetal sensing element ensures rapid response to thermal changes, optimizing airflow efficiency and system longevity. Engineered for durability in residential and commercial applications, this HVAC replacement part is compatible with various boiler and furnace configurations, including units from ECR International, Olsen, and Dunkirk. Technicians often utilize this model as a reliable furnace limit control in systems requiring precise 190-degree thermal regulation. The manual fan switch feature allows contractors to override automated cycles for continuous air circulation during system servicing or specialized climate control needs.
Key Benefits:
- Broad Compatibility: Engineered as a direct replacement for Utica-Dunkirk 12356 and Honeywell L4064B2210 series controls.
- Dual Functionality: Manages both fan motor cycling and high-limit safety shut-off in a single 11-inch probe assembly.
- Precision Calibration: Factory-configured for a 190°F top-end limit to protect heat exchangers from thermal stress.
- Flexible Wiring: Includes multiple terminal options such as push-in receptacles and screw terminals for efficient field installation.
- Robust Construction: Features a high-grade bimetal sensor and industrial casing for reliable performance in high-ambient environments.
Common Questions:
What is the primary function of the 11-inch probe on the 12356 control?
The 11-inch insertion length allows the bimetal sensing element to sit deeper within the plenum, ensuring accurate temperature readings for timing the fan "on" and "off" cycles and detecting high-heat conditions.
Can I use this to replace a shorter 5-inch or 8-inch limit switch?
Compatibility depends on the clearance within your specific furnace cabinet. While electrical specs may match, the 11-inch probe requires sufficient depth to avoid physical obstruction or contact with the heat exchanger.
Does this unit support manual fan operation?
Yes, this model typically includes a manual override switch, allowing for continuous fan operation regardless of the plenum temperature, which is useful for air filtration or cooling cycles.
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: $249.46
-65%$249.46
$87.31Utica-Dunkirk 12356 Fan & Limtie
The Utica-Dunkirk 12356 Fan & Limit Control is a critical safety and operational component designed for forced-air heating systems. This 11-inch insertion probe features a 190°F high-limit cut-out, providing essential protection against heat exchanger overheating. As a versatile combination fan and limit switch, it manages the blower motor’s on/off cycles based on plenum temperature while maintaining a fixed safety ceiling. The helical bimetal sensing element ensures rapid response to thermal changes, optimizing airflow efficiency and system longevity. Engineered for durability in residential and commercial applications, this HVAC replacement part is compatible with various boiler and furnace configurations, including units from ECR International, Olsen, and Dunkirk. Technicians often utilize this model as a reliable furnace limit control in systems requiring precise 190-degree thermal regulation. The manual fan switch feature allows contractors to override automated cycles for continuous air circulation during system servicing or specialized climate control needs.
Key Benefits:
- Broad Compatibility: Engineered as a direct replacement for Utica-Dunkirk 12356 and Honeywell L4064B2210 series controls.
- Dual Functionality: Manages both fan motor cycling and high-limit safety shut-off in a single 11-inch probe assembly.
- Precision Calibration: Factory-configured for a 190°F top-end limit to protect heat exchangers from thermal stress.
- Flexible Wiring: Includes multiple terminal options such as push-in receptacles and screw terminals for efficient field installation.
- Robust Construction: Features a high-grade bimetal sensor and industrial casing for reliable performance in high-ambient environments.
Common Questions:
What is the primary function of the 11-inch probe on the 12356 control?
The 11-inch insertion length allows the bimetal sensing element to sit deeper within the plenum, ensuring accurate temperature readings for timing the fan "on" and "off" cycles and detecting high-heat conditions.
Can I use this to replace a shorter 5-inch or 8-inch limit switch?
Compatibility depends on the clearance within your specific furnace cabinet. While electrical specs may match, the 11-inch probe requires sufficient depth to avoid physical obstruction or contact with the heat exchanger.
Does this unit support manual fan operation?
Yes, this model typically includes a manual override switch, allowing for continuous fan operation regardless of the plenum temperature, which is useful for air filtration or cooling cycles.
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 Utica-Dunkirk 12356 Fan & Limit Control is a critical safety and operational component designed for forced-air heating systems. This 11-inch insertion probe features a 190°F high-limit cut-out, providing essential protection against heat exchanger overheating. As a versatile combination fan and limit switch, it manages the blower motor’s on/off cycles based on plenum temperature while maintaining a fixed safety ceiling. The helical bimetal sensing element ensures rapid response to thermal changes, optimizing airflow efficiency and system longevity. Engineered for durability in residential and commercial applications, this HVAC replacement part is compatible with various boiler and furnace configurations, including units from ECR International, Olsen, and Dunkirk. Technicians often utilize this model as a reliable furnace limit control in systems requiring precise 190-degree thermal regulation. The manual fan switch feature allows contractors to override automated cycles for continuous air circulation during system servicing or specialized climate control needs.
Key Benefits:
- Broad Compatibility: Engineered as a direct replacement for Utica-Dunkirk 12356 and Honeywell L4064B2210 series controls.
- Dual Functionality: Manages both fan motor cycling and high-limit safety shut-off in a single 11-inch probe assembly.
- Precision Calibration: Factory-configured for a 190°F top-end limit to protect heat exchangers from thermal stress.
- Flexible Wiring: Includes multiple terminal options such as push-in receptacles and screw terminals for efficient field installation.
- Robust Construction: Features a high-grade bimetal sensor and industrial casing for reliable performance in high-ambient environments.
Common Questions:
What is the primary function of the 11-inch probe on the 12356 control?
The 11-inch insertion length allows the bimetal sensing element to sit deeper within the plenum, ensuring accurate temperature readings for timing the fan "on" and "off" cycles and detecting high-heat conditions.
Can I use this to replace a shorter 5-inch or 8-inch limit switch?
Compatibility depends on the clearance within your specific furnace cabinet. While electrical specs may match, the 11-inch probe requires sufficient depth to avoid physical obstruction or contact with the heat exchanger.
Does this unit support manual fan operation?
Yes, this model typically includes a manual override switch, allowing for continuous fan operation regardless of the plenum temperature, which is useful for air filtration or cooling cycles.
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.
