Resideo L4029E1219 Control
When you're dealing with high-heat scenarios in air conditioning or ventilation ducts, the Resideo L4029E1219 Control serves as a critical manual reset limit control. Engineered to function specifically as a fire thermostat, this device provides a positive lockout by breaking the circuit when temperatures reach the 165°F set point. The normally closed SPST snap-acting switch is driven by a rugged bimetal element with a 3-inch insertion length, ensuring rapid response to thermal spikes before a fire can spread through the air handling system. This high limit safety component is an industry standard for duct mount applications, preventing the fan from contributing to hazardous conditions. For contractors, the manual reset requirement is a key diagnostic feature, ensuring the HVAC high limit switch is physically inspected before the system is brought back online.
Key Benefits:- Rapid Response: The bimetal snap-acting switch detects critical temperature changes instantly to shut down fan operations.
- Durable Construction: Features a sturdy metal housing suitable for direct duct interface and extreme ambient conditions up to 190°F at the switch.
- Safety Lockout: Hard manual reset prevents automatic restarting, forcing a physical inspection of the system after a high-limit event.
- Versatile Application: Ideal for use as a secondary high limit in warm air furnaces or as a primary fire stat in ventilation systems.
- Technical Reliability: rated for both line and low voltage circuits, offering flexible integration with a variety of commercial and residential controllers.
- How do I reset the L4029E1219 controller? Wait for the duct temperature to drop approximately 25°F below the set point, then depress the red button protruding through the front cover.
- Can this be used for automatic fan control? No, this is a safety limit only. It is designed to break the circuit and remain open until manually restored.
- What mounting orientation is required? This high limit stop can be mounted in any position (horizontal or vertical) as long as the 3-inch element is fully exposed to the air stream.
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: $185.78
-65%$185.78
$65.02Resideo L4029E1219 Control
When you're dealing with high-heat scenarios in air conditioning or ventilation ducts, the Resideo L4029E1219 Control serves as a critical manual reset limit control. Engineered to function specifically as a fire thermostat, this device provides a positive lockout by breaking the circuit when temperatures reach the 165°F set point. The normally closed SPST snap-acting switch is driven by a rugged bimetal element with a 3-inch insertion length, ensuring rapid response to thermal spikes before a fire can spread through the air handling system. This high limit safety component is an industry standard for duct mount applications, preventing the fan from contributing to hazardous conditions. For contractors, the manual reset requirement is a key diagnostic feature, ensuring the HVAC high limit switch is physically inspected before the system is brought back online.
Key Benefits:- Rapid Response: The bimetal snap-acting switch detects critical temperature changes instantly to shut down fan operations.
- Durable Construction: Features a sturdy metal housing suitable for direct duct interface and extreme ambient conditions up to 190°F at the switch.
- Safety Lockout: Hard manual reset prevents automatic restarting, forcing a physical inspection of the system after a high-limit event.
- Versatile Application: Ideal for use as a secondary high limit in warm air furnaces or as a primary fire stat in ventilation systems.
- Technical Reliability: rated for both line and low voltage circuits, offering flexible integration with a variety of commercial and residential controllers.
- How do I reset the L4029E1219 controller? Wait for the duct temperature to drop approximately 25°F below the set point, then depress the red button protruding through the front cover.
- Can this be used for automatic fan control? No, this is a safety limit only. It is designed to break the circuit and remain open until manually restored.
- What mounting orientation is required? This high limit stop can be mounted in any position (horizontal or vertical) as long as the 3-inch element is fully exposed to the air stream.
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
Product Information
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Shipping & Returns
Description
When you're dealing with high-heat scenarios in air conditioning or ventilation ducts, the Resideo L4029E1219 Control serves as a critical manual reset limit control. Engineered to function specifically as a fire thermostat, this device provides a positive lockout by breaking the circuit when temperatures reach the 165°F set point. The normally closed SPST snap-acting switch is driven by a rugged bimetal element with a 3-inch insertion length, ensuring rapid response to thermal spikes before a fire can spread through the air handling system. This high limit safety component is an industry standard for duct mount applications, preventing the fan from contributing to hazardous conditions. For contractors, the manual reset requirement is a key diagnostic feature, ensuring the HVAC high limit switch is physically inspected before the system is brought back online.
Key Benefits:- Rapid Response: The bimetal snap-acting switch detects critical temperature changes instantly to shut down fan operations.
- Durable Construction: Features a sturdy metal housing suitable for direct duct interface and extreme ambient conditions up to 190°F at the switch.
- Safety Lockout: Hard manual reset prevents automatic restarting, forcing a physical inspection of the system after a high-limit event.
- Versatile Application: Ideal for use as a secondary high limit in warm air furnaces or as a primary fire stat in ventilation systems.
- Technical Reliability: rated for both line and low voltage circuits, offering flexible integration with a variety of commercial and residential controllers.
- How do I reset the L4029E1219 controller? Wait for the duct temperature to drop approximately 25°F below the set point, then depress the red button protruding through the front cover.
- Can this be used for automatic fan control? No, this is a safety limit only. It is designed to break the circuit and remain open until manually restored.
- What mounting orientation is required? This high limit stop can be mounted in any position (horizontal or vertical) as long as the 3-inch element is fully exposed to the air stream.
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.
