Icp 1186809 Hi Limit Switch Thermostat Disc 185F-145F

Product Description

The INTERNATIONAL COMFORT PRODUCTS 1186809 is a genuine OEM hi limit switch and thermostat disc designed for residential gas furnace applications. This component controls fan operation by monitoring internal temperatures and cutting out when the system reaches an unsafe heat level, preventing overheating and protecting the heat exchanger. It is rated to open at 185 degrees F and reset at 145 degrees F. Licensed HVAC technicians install this part during routine service or as a direct OEM-style replacement when the original limit switch fails or tests out of specification.

This hi limit switch thermostat disc is used in residential forced-air gas furnaces where fan operation must be regulated to maintain safe operating temperatures. It is a direct fit for the N9MSB0801716C1, N92ESN0802120A1, and N92ESN furnace units, among others. Refer to the full model compatibility list for a complete listing of applicable equipment. This part is suited for service calls involving nuisance lockouts, overheating conditions, or failed limit switch diagnostics.

Key Features

• Opens at 185 degrees F to shut down fan operation and protect the system from overheating
• Resets at 145 degrees F for automatic recovery once safe temperatures are restored
• Genuine OEM replacement part ensuring proper fit and function without modification
• Compact form factor fits within tight furnace control compartments
• Supports reliable fan cycle control in residential forced-air heating systems

Compatibility

Compatible with INTERNATIONAL COMFORT PRODUCTS furnace models including N9MSB0801716C1, N92ESN0802120A1, and N92ESN units. Refer to the full model fitment list for additional compatible equipment.

Installation Notes

Installation should be performed by a licensed HVAC technician. Shut off all power to the furnace at the disconnect and breaker before beginning any service work. Verify the replacement disc matches the original temperature rating before installing, as using an incorrect rating can result in nuisance trips or unsafe operation. Follow all applicable local mechanical codes and the furnace manufacturer service instructions during replacement.

Technical Specifications

• Open Temperature: 185 degrees F
• Reset Temperature: 145 degrees F
• Length: 4.4 inches
• Width: 2.6 inches
• Height: 2.4 inches
• Weight: 0.56 pounds

Standard Information

• Brand: INTERNATIONAL COMFORT PRODUCTS
• Manufacturer Part Number: 1186809