Utica-Dunkirk 28654 Limit Switch
The Utica- Dunkirk 28654 Limit Switch is a critical high-limit safety component engineered for precise thermal monitoring in residential and commercial hydronic boilers and forced-air furnaces. As an OEM HVAC replacement part, this L180-20F limit switch features a fixed setpoint designed to open the electrical circuit at 180°F and automatically reset when temperatures drop by a 20°F differential (closing at 160°F). This snap-action SPST limit control provides essential protection for the heat exchanger, preventing hazardous overheating by interrupting the burner circuit if internal cabinet or water temperatures exceed safe operational parameters.
Designed for professional-grade reliability, the Utica- Dunkirk 28654 utilizes a 3/4-inch bimetal disc for rapid response times and is rated for loads up to 25 Amps at 240 VAC. The 1/4-inch quick-connect terminals ensure a secure, low-resistance connection for field technicians during boiler limit switch replacement. Its robust construction resists environmental wear, making it a dependable choice for maintaining HVAC system safety and high-efficiency performance across Utica, Dunkirk, and ECR International heating equipment.
Key Benefits- Precise Thermal Cut-Out: Fixed 180°F trip point ensures consistent protection against exchanger overheating.
- Automatic Reset Logic: A 20°F differential allows the system to resume combustion automatically once safe operating temperatures are restored.
- Broad Electrical Compatibility: Robust 60T style bimetal switch handles up to 25A, suitable for a wide range of furnace and boiler control circuits.
- OEM Fit and Function: Built specifically to Utica-Dunkirk 28654 specifications, ensuring seamless mechanical mounting and electrical integration.
Is the 28654 limit switch an automatic or manual reset?
This is an L180-20F automatic reset limit switch. It will reset the circuit once the sensed temperature falls 20°F below the 180°F trip point.
What causes a limit switch to "trip" in a Utica boiler?
A trip is typically caused by restricted airflow, a failing circulator pump, or a clogged heat exchanger, triggering the 28654 safety switch to prevent component damage.
Can I use an L180-20F in place of other temperature ratings?
No. For safety and performance, always match the specific temperature "Open" and "Close" settings required by the original equipment manufacturer.
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: $18.69
-65%$18.69
$6.54Utica-Dunkirk 28654 Limit Switch
The Utica- Dunkirk 28654 Limit Switch is a critical high-limit safety component engineered for precise thermal monitoring in residential and commercial hydronic boilers and forced-air furnaces. As an OEM HVAC replacement part, this L180-20F limit switch features a fixed setpoint designed to open the electrical circuit at 180°F and automatically reset when temperatures drop by a 20°F differential (closing at 160°F). This snap-action SPST limit control provides essential protection for the heat exchanger, preventing hazardous overheating by interrupting the burner circuit if internal cabinet or water temperatures exceed safe operational parameters.
Designed for professional-grade reliability, the Utica- Dunkirk 28654 utilizes a 3/4-inch bimetal disc for rapid response times and is rated for loads up to 25 Amps at 240 VAC. The 1/4-inch quick-connect terminals ensure a secure, low-resistance connection for field technicians during boiler limit switch replacement. Its robust construction resists environmental wear, making it a dependable choice for maintaining HVAC system safety and high-efficiency performance across Utica, Dunkirk, and ECR International heating equipment.
Key Benefits- Precise Thermal Cut-Out: Fixed 180°F trip point ensures consistent protection against exchanger overheating.
- Automatic Reset Logic: A 20°F differential allows the system to resume combustion automatically once safe operating temperatures are restored.
- Broad Electrical Compatibility: Robust 60T style bimetal switch handles up to 25A, suitable for a wide range of furnace and boiler control circuits.
- OEM Fit and Function: Built specifically to Utica-Dunkirk 28654 specifications, ensuring seamless mechanical mounting and electrical integration.
Is the 28654 limit switch an automatic or manual reset?
This is an L180-20F automatic reset limit switch. It will reset the circuit once the sensed temperature falls 20°F below the 180°F trip point.
What causes a limit switch to "trip" in a Utica boiler?
A trip is typically caused by restricted airflow, a failing circulator pump, or a clogged heat exchanger, triggering the 28654 safety switch to prevent component damage.
Can I use an L180-20F in place of other temperature ratings?
No. For safety and performance, always match the specific temperature "Open" and "Close" settings required by the original equipment manufacturer.
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 28654 Limit Switch is a critical high-limit safety component engineered for precise thermal monitoring in residential and commercial hydronic boilers and forced-air furnaces. As an OEM HVAC replacement part, this L180-20F limit switch features a fixed setpoint designed to open the electrical circuit at 180°F and automatically reset when temperatures drop by a 20°F differential (closing at 160°F). This snap-action SPST limit control provides essential protection for the heat exchanger, preventing hazardous overheating by interrupting the burner circuit if internal cabinet or water temperatures exceed safe operational parameters.
Designed for professional-grade reliability, the Utica- Dunkirk 28654 utilizes a 3/4-inch bimetal disc for rapid response times and is rated for loads up to 25 Amps at 240 VAC. The 1/4-inch quick-connect terminals ensure a secure, low-resistance connection for field technicians during boiler limit switch replacement. Its robust construction resists environmental wear, making it a dependable choice for maintaining HVAC system safety and high-efficiency performance across Utica, Dunkirk, and ECR International heating equipment.
Key Benefits- Precise Thermal Cut-Out: Fixed 180°F trip point ensures consistent protection against exchanger overheating.
- Automatic Reset Logic: A 20°F differential allows the system to resume combustion automatically once safe operating temperatures are restored.
- Broad Electrical Compatibility: Robust 60T style bimetal switch handles up to 25A, suitable for a wide range of furnace and boiler control circuits.
- OEM Fit and Function: Built specifically to Utica-Dunkirk 28654 specifications, ensuring seamless mechanical mounting and electrical integration.
Is the 28654 limit switch an automatic or manual reset?
This is an L180-20F automatic reset limit switch. It will reset the circuit once the sensed temperature falls 20°F below the 180°F trip point.
What causes a limit switch to "trip" in a Utica boiler?
A trip is typically caused by restricted airflow, a failing circulator pump, or a clogged heat exchanger, triggering the 28654 safety switch to prevent component damage.
Can I use an L180-20F in place of other temperature ratings?
No. For safety and performance, always match the specific temperature "Open" and "Close" settings required by the original equipment manufacturer.
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.
