Utica-Dunkirk 40154B012 Control Limit
The Utica-Dunkirk 40154B012 Control Limit is a specialized thermal high-limit safety component engineered for precise temperature management within residential and commercial hydronic heating systems. Specifically listed as the CTRL LMT TI 250/220 -2111, this limit control is designed to monitor and regulate the maximum allowable boiler water temperature, effectively preventing overheating and potential system damage. For technicians working with Dunkirk or Utica condensing and conventional boilers, this part ensures the high limit aquastat control functionality is operating within factory-specified parameters, typically field-adjustable between 100°F and 200°F.
Replacing an aged or failing 40154B012 temperature limit switch is critical for maintaining system integrity and meeting strict safety codes. As a professional-grade HVAC limit control, it offers a rapid response to temperature spikes by interrupting the control circuit, thereby shutting down the burner if the internal fluid exceeds the 250/220 differential threshold. Its robust construction is built to withstand the rigorous cycling environments found in gas-fired boiler systems, providing contractors with a reliable OEM solution for diagnostic and repair calls.
Key Benefit List
- Precise Thermal Regulation: Maintains water temperature within narrow tolerances to protect heat exchangers and distribution piping.
- OEM Compatibility: Specifically engineered for Utica-Dunkirk hydronic equipment, ensuring seamless integration with existing control boards and wiring harnesses.
- Safety Compliance: Acts as a primary fail-safe to prevent excessive thermal stress and unsafe operating conditions.
- Durable Construction: Built with high-grade components to resist the vibration and heat common in boiler mechanical rooms.
Common Questions
How do I verify if the 40154B012 limit control is tripped?
Technicians should check for continuity across the terminals. If the limit has triggered, the circuit will be open. Ensure the system has cooled below the reset threshold before attempting to restart the boiler.
Can I use this limit control on other boiler brands?
While technical specifications may overlap, the 40154B012 is specifically indexed for Utica and Dunkirk boiler models. Using non-OEM equivalent parts may bypass essential safety logic or require field modifications that are not recommended.
What causes a "250/220" limit to trip frequently?
Frequent tripping often indicates poor circulation, a failing circulator pump, or excessive mineral scale in the heat exchanger causing localized hot spots. Always verify flow rates before replacing the limit sensor.
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: $132.62
-65%$132.62
$46.42Utica-Dunkirk 40154B012 Control Limit
The Utica-Dunkirk 40154B012 Control Limit is a specialized thermal high-limit safety component engineered for precise temperature management within residential and commercial hydronic heating systems. Specifically listed as the CTRL LMT TI 250/220 -2111, this limit control is designed to monitor and regulate the maximum allowable boiler water temperature, effectively preventing overheating and potential system damage. For technicians working with Dunkirk or Utica condensing and conventional boilers, this part ensures the high limit aquastat control functionality is operating within factory-specified parameters, typically field-adjustable between 100°F and 200°F.
Replacing an aged or failing 40154B012 temperature limit switch is critical for maintaining system integrity and meeting strict safety codes. As a professional-grade HVAC limit control, it offers a rapid response to temperature spikes by interrupting the control circuit, thereby shutting down the burner if the internal fluid exceeds the 250/220 differential threshold. Its robust construction is built to withstand the rigorous cycling environments found in gas-fired boiler systems, providing contractors with a reliable OEM solution for diagnostic and repair calls.
Key Benefit List
- Precise Thermal Regulation: Maintains water temperature within narrow tolerances to protect heat exchangers and distribution piping.
- OEM Compatibility: Specifically engineered for Utica-Dunkirk hydronic equipment, ensuring seamless integration with existing control boards and wiring harnesses.
- Safety Compliance: Acts as a primary fail-safe to prevent excessive thermal stress and unsafe operating conditions.
- Durable Construction: Built with high-grade components to resist the vibration and heat common in boiler mechanical rooms.
Common Questions
How do I verify if the 40154B012 limit control is tripped?
Technicians should check for continuity across the terminals. If the limit has triggered, the circuit will be open. Ensure the system has cooled below the reset threshold before attempting to restart the boiler.
Can I use this limit control on other boiler brands?
While technical specifications may overlap, the 40154B012 is specifically indexed for Utica and Dunkirk boiler models. Using non-OEM equivalent parts may bypass essential safety logic or require field modifications that are not recommended.
What causes a "250/220" limit to trip frequently?
Frequent tripping often indicates poor circulation, a failing circulator pump, or excessive mineral scale in the heat exchanger causing localized hot spots. Always verify flow rates before replacing the limit sensor.
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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Description
The Utica-Dunkirk 40154B012 Control Limit is a specialized thermal high-limit safety component engineered for precise temperature management within residential and commercial hydronic heating systems. Specifically listed as the CTRL LMT TI 250/220 -2111, this limit control is designed to monitor and regulate the maximum allowable boiler water temperature, effectively preventing overheating and potential system damage. For technicians working with Dunkirk or Utica condensing and conventional boilers, this part ensures the high limit aquastat control functionality is operating within factory-specified parameters, typically field-adjustable between 100°F and 200°F.
Replacing an aged or failing 40154B012 temperature limit switch is critical for maintaining system integrity and meeting strict safety codes. As a professional-grade HVAC limit control, it offers a rapid response to temperature spikes by interrupting the control circuit, thereby shutting down the burner if the internal fluid exceeds the 250/220 differential threshold. Its robust construction is built to withstand the rigorous cycling environments found in gas-fired boiler systems, providing contractors with a reliable OEM solution for diagnostic and repair calls.
Key Benefit List
- Precise Thermal Regulation: Maintains water temperature within narrow tolerances to protect heat exchangers and distribution piping.
- OEM Compatibility: Specifically engineered for Utica-Dunkirk hydronic equipment, ensuring seamless integration with existing control boards and wiring harnesses.
- Safety Compliance: Acts as a primary fail-safe to prevent excessive thermal stress and unsafe operating conditions.
- Durable Construction: Built with high-grade components to resist the vibration and heat common in boiler mechanical rooms.
Common Questions
How do I verify if the 40154B012 limit control is tripped?
Technicians should check for continuity across the terminals. If the limit has triggered, the circuit will be open. Ensure the system has cooled below the reset threshold before attempting to restart the boiler.
Can I use this limit control on other boiler brands?
While technical specifications may overlap, the 40154B012 is specifically indexed for Utica and Dunkirk boiler models. Using non-OEM equivalent parts may bypass essential safety logic or require field modifications that are not recommended.
What causes a "250/220" limit to trip frequently?
Frequent tripping often indicates poor circulation, a failing circulator pump, or excessive mineral scale in the heat exchanger causing localized hot spots. Always verify flow rates before replacing the limit sensor.
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.
