Heil Quaker ICP B04274 Fan Limit
The Heil Quaker ICP B04274 Fan Limit with integrated relay is a critical original equipment manufacturer (OEM) replacement component designed for precise thermal management within forced air heating systems and residential furnaces. Featuring an 11.5-inch insertion element, this controller monitors the plenum air temperature to ensure the blower assembly cycles on and off at indexed set points, preventing thermal stacking and maintaining the integrity of the heat exchanger. This specific fan and limit switch is engineered to operate effectively in environments ranging from -40°F to 190°F, providing a reliable safety limit switch function that breaks the circuit upon detecting a high-limit temperature rise. As a primary furnace fan limit switch, the B04274 integrates a 24V relay, allowing for seamless communication between the thermostat and the blower motor. This ICP furnace replacement part is compatible with a wide array of brands under the International Comfort Products umbrella, including Tempstar, Comfortmaker, and Arcoaire. When troubleshooting a furnace fan that stays on or a system that fails to ignite, verifying the continuity of this high limit control is a standard diagnostic step for any technician. Replacing a faulty B04274 fan limit with relay ensures the system adheres to strict safety protocols by shutting down the gas valve if internal temperatures exceed the factory-set safety thresholds.
Key Benefits- Universal ICP Compatibility: Functions as a direct OEM replacement for Heil, Quaker, Tempstar, and Comfortmaker furnace models requiring the B04274 or L406B2210 part numbers.
- Integrated Relay Control: Combines fan cycling and high-limit safety features into a single housing, streamlining the 24V furnace control circuit.
- Extended Probe Length: The 11.5-inch bimetal sensing element provides accurate temperature readings deep within the plenum for consistent blower operation.
- High-Temperature Protection: Actively prevents heat exchanger damage by disengaging the burners if the furnace exceeds safe operating temperatures.
Is the Heil B04274 an adjustable fan limit switch?
While some universal replacements offer adjustable dials, this OEM component is precision-calibrated for specific ICP equipment. Always verify your furnace's temperature rise specifications before installing a replacement switch.
What are the symptoms of a failing fan limit with relay?
Common issues include the blower motor failing to start after the heat exchanger has warmed up, or the indoor fan running continuously even when the thermostat is set to the OFF position.
Can I use this switch for both gas and oil furnaces?
Yes, the B04274 is designed for use in various forced air heating applications, provided the insertion depth and electrical ratings align with the original manufacturer's specifications.
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: $308.58
-65%$308.58
$108.00Heil Quaker ICP B04274 Fan Limit
The Heil Quaker ICP B04274 Fan Limit with integrated relay is a critical original equipment manufacturer (OEM) replacement component designed for precise thermal management within forced air heating systems and residential furnaces. Featuring an 11.5-inch insertion element, this controller monitors the plenum air temperature to ensure the blower assembly cycles on and off at indexed set points, preventing thermal stacking and maintaining the integrity of the heat exchanger. This specific fan and limit switch is engineered to operate effectively in environments ranging from -40°F to 190°F, providing a reliable safety limit switch function that breaks the circuit upon detecting a high-limit temperature rise. As a primary furnace fan limit switch, the B04274 integrates a 24V relay, allowing for seamless communication between the thermostat and the blower motor. This ICP furnace replacement part is compatible with a wide array of brands under the International Comfort Products umbrella, including Tempstar, Comfortmaker, and Arcoaire. When troubleshooting a furnace fan that stays on or a system that fails to ignite, verifying the continuity of this high limit control is a standard diagnostic step for any technician. Replacing a faulty B04274 fan limit with relay ensures the system adheres to strict safety protocols by shutting down the gas valve if internal temperatures exceed the factory-set safety thresholds.
Key Benefits- Universal ICP Compatibility: Functions as a direct OEM replacement for Heil, Quaker, Tempstar, and Comfortmaker furnace models requiring the B04274 or L406B2210 part numbers.
- Integrated Relay Control: Combines fan cycling and high-limit safety features into a single housing, streamlining the 24V furnace control circuit.
- Extended Probe Length: The 11.5-inch bimetal sensing element provides accurate temperature readings deep within the plenum for consistent blower operation.
- High-Temperature Protection: Actively prevents heat exchanger damage by disengaging the burners if the furnace exceeds safe operating temperatures.
Is the Heil B04274 an adjustable fan limit switch?
While some universal replacements offer adjustable dials, this OEM component is precision-calibrated for specific ICP equipment. Always verify your furnace's temperature rise specifications before installing a replacement switch.
What are the symptoms of a failing fan limit with relay?
Common issues include the blower motor failing to start after the heat exchanger has warmed up, or the indoor fan running continuously even when the thermostat is set to the OFF position.
Can I use this switch for both gas and oil furnaces?
Yes, the B04274 is designed for use in various forced air heating applications, provided the insertion depth and electrical ratings align with the original manufacturer's specifications.
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 Heil Quaker ICP B04274 Fan Limit with integrated relay is a critical original equipment manufacturer (OEM) replacement component designed for precise thermal management within forced air heating systems and residential furnaces. Featuring an 11.5-inch insertion element, this controller monitors the plenum air temperature to ensure the blower assembly cycles on and off at indexed set points, preventing thermal stacking and maintaining the integrity of the heat exchanger. This specific fan and limit switch is engineered to operate effectively in environments ranging from -40°F to 190°F, providing a reliable safety limit switch function that breaks the circuit upon detecting a high-limit temperature rise. As a primary furnace fan limit switch, the B04274 integrates a 24V relay, allowing for seamless communication between the thermostat and the blower motor. This ICP furnace replacement part is compatible with a wide array of brands under the International Comfort Products umbrella, including Tempstar, Comfortmaker, and Arcoaire. When troubleshooting a furnace fan that stays on or a system that fails to ignite, verifying the continuity of this high limit control is a standard diagnostic step for any technician. Replacing a faulty B04274 fan limit with relay ensures the system adheres to strict safety protocols by shutting down the gas valve if internal temperatures exceed the factory-set safety thresholds.
Key Benefits- Universal ICP Compatibility: Functions as a direct OEM replacement for Heil, Quaker, Tempstar, and Comfortmaker furnace models requiring the B04274 or L406B2210 part numbers.
- Integrated Relay Control: Combines fan cycling and high-limit safety features into a single housing, streamlining the 24V furnace control circuit.
- Extended Probe Length: The 11.5-inch bimetal sensing element provides accurate temperature readings deep within the plenum for consistent blower operation.
- High-Temperature Protection: Actively prevents heat exchanger damage by disengaging the burners if the furnace exceeds safe operating temperatures.
Is the Heil B04274 an adjustable fan limit switch?
While some universal replacements offer adjustable dials, this OEM component is precision-calibrated for specific ICP equipment. Always verify your furnace's temperature rise specifications before installing a replacement switch.
What are the symptoms of a failing fan limit with relay?
Common issues include the blower motor failing to start after the heat exchanger has warmed up, or the indoor fan running continuously even when the thermostat is set to the OFF position.
Can I use this switch for both gas and oil furnaces?
Yes, the B04274 is designed for use in various forced air heating applications, provided the insertion depth and electrical ratings align with the original manufacturer's specifications.
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.
