Resideo L4029E1011 Control
The Resideo L4029E1011 is a commercial-grade manual reset high limit control engineered to serve as a high-reliability safety interface in air conditioning, ventilating systems, and warm air furnaces. This fire thermostat operates as a normally closed SPST switch that breaks the circuit on a temperature rise, effectively shutting down fans or burners when temperatures reach a critical threshold of 135 degrees Fahrenheit. By interrupting the electrical path, it prevents air circulation from contributing to the spread of fire within ductwork or locks out systems in the event of a total fan failure.
Designed for direct duct mounting, the L4029E1011 features a 3-inch element insertion length with a bimetal sensing strip that responds rapidly to air stream fluctuations. The internal snap-acting switch is protected by a durable case and cover, suitable for vertical or horizontal mounting configurations. This limit control with manual reset requires a technician to physically engage the reset button once the temperature has dropped approximately 25°F below the cutout point, ensuring that a system fault is properly inspected before resuming operation. With electrical ratings up to 10A at 120 VAC, this control is a standard for secondary high-limit protection in complex HVACR installations.
Key Benefits:- Critical Safety Shutdown: Specifically designed as a fire stat to prevent the induction of oxygen into duct fires by immediately disabling air circulation fans.
- Rapid Thermal Response: The 3-inch bimetal sensing element is positioned directly in the air stream for high-accuracy temperature detection.
- Positive System Lockout: The manual reset requirement ensures the fixed 135 degree limit cannot be automatically bypassed, forcing a site inspection.
- Versatile Electrical Compatibility: Rated for line voltage and low voltage circuits, including pilot duty (0.25 A at 12 Vdc).
- How do I reset the L4029E1011 after a trip? Once the air temperature has cooled at least 25°F below the 135°F set point, depress and release the red button through the front cover to remake the switch contacts.
- Can this be used as a primary limit in a furnace? While it can provide auxiliary safety, it is primarily used as a secondary high limit or fire stat to prevent fan operation during hazardous heat conditions.
- What are the ambient temperature limits for the housing? The switch housing can withstand ambient temperatures up to 190°F, while the sensing element itself is rated for up to 350°F before damage occurs.
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: $189.43
-65%$189.43
$66.30Resideo L4029E1011 Control
The Resideo L4029E1011 is a commercial-grade manual reset high limit control engineered to serve as a high-reliability safety interface in air conditioning, ventilating systems, and warm air furnaces. This fire thermostat operates as a normally closed SPST switch that breaks the circuit on a temperature rise, effectively shutting down fans or burners when temperatures reach a critical threshold of 135 degrees Fahrenheit. By interrupting the electrical path, it prevents air circulation from contributing to the spread of fire within ductwork or locks out systems in the event of a total fan failure.
Designed for direct duct mounting, the L4029E1011 features a 3-inch element insertion length with a bimetal sensing strip that responds rapidly to air stream fluctuations. The internal snap-acting switch is protected by a durable case and cover, suitable for vertical or horizontal mounting configurations. This limit control with manual reset requires a technician to physically engage the reset button once the temperature has dropped approximately 25°F below the cutout point, ensuring that a system fault is properly inspected before resuming operation. With electrical ratings up to 10A at 120 VAC, this control is a standard for secondary high-limit protection in complex HVACR installations.
Key Benefits:- Critical Safety Shutdown: Specifically designed as a fire stat to prevent the induction of oxygen into duct fires by immediately disabling air circulation fans.
- Rapid Thermal Response: The 3-inch bimetal sensing element is positioned directly in the air stream for high-accuracy temperature detection.
- Positive System Lockout: The manual reset requirement ensures the fixed 135 degree limit cannot be automatically bypassed, forcing a site inspection.
- Versatile Electrical Compatibility: Rated for line voltage and low voltage circuits, including pilot duty (0.25 A at 12 Vdc).
- How do I reset the L4029E1011 after a trip? Once the air temperature has cooled at least 25°F below the 135°F set point, depress and release the red button through the front cover to remake the switch contacts.
- Can this be used as a primary limit in a furnace? While it can provide auxiliary safety, it is primarily used as a secondary high limit or fire stat to prevent fan operation during hazardous heat conditions.
- What are the ambient temperature limits for the housing? The switch housing can withstand ambient temperatures up to 190°F, while the sensing element itself is rated for up to 350°F before damage occurs.
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 Resideo L4029E1011 is a commercial-grade manual reset high limit control engineered to serve as a high-reliability safety interface in air conditioning, ventilating systems, and warm air furnaces. This fire thermostat operates as a normally closed SPST switch that breaks the circuit on a temperature rise, effectively shutting down fans or burners when temperatures reach a critical threshold of 135 degrees Fahrenheit. By interrupting the electrical path, it prevents air circulation from contributing to the spread of fire within ductwork or locks out systems in the event of a total fan failure.
Designed for direct duct mounting, the L4029E1011 features a 3-inch element insertion length with a bimetal sensing strip that responds rapidly to air stream fluctuations. The internal snap-acting switch is protected by a durable case and cover, suitable for vertical or horizontal mounting configurations. This limit control with manual reset requires a technician to physically engage the reset button once the temperature has dropped approximately 25°F below the cutout point, ensuring that a system fault is properly inspected before resuming operation. With electrical ratings up to 10A at 120 VAC, this control is a standard for secondary high-limit protection in complex HVACR installations.
Key Benefits:- Critical Safety Shutdown: Specifically designed as a fire stat to prevent the induction of oxygen into duct fires by immediately disabling air circulation fans.
- Rapid Thermal Response: The 3-inch bimetal sensing element is positioned directly in the air stream for high-accuracy temperature detection.
- Positive System Lockout: The manual reset requirement ensures the fixed 135 degree limit cannot be automatically bypassed, forcing a site inspection.
- Versatile Electrical Compatibility: Rated for line voltage and low voltage circuits, including pilot duty (0.25 A at 12 Vdc).
- How do I reset the L4029E1011 after a trip? Once the air temperature has cooled at least 25°F below the 135°F set point, depress and release the red button through the front cover to remake the switch contacts.
- Can this be used as a primary limit in a furnace? While it can provide auxiliary safety, it is primarily used as a secondary high limit or fire stat to prevent fan operation during hazardous heat conditions.
- What are the ambient temperature limits for the housing? The switch housing can withstand ambient temperatures up to 190°F, while the sensing element itself is rated for up to 350°F before damage occurs.
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.
