Empire R1156 Fan Limit Switch 165 Degree | Replacement Part

Overview

The Empire R1156 Fan Limit Switch 165 Degree is a dependable replacement part designed for Empire heaters. This control component sits in the furnace’s safety path and triggers the blower at a precise temperature, helping to maintain balanced heat and ventilation within your system. Built to withstand the demands of everyday furnace cycles, the R1156 offers a familiar form factor that many technicians recognize from established Empire models.

With a 165 Degree limit, the device can influence when the blower engages, contributing to a steady airflow pattern as your heater cycles on and off. While outcomes vary by model and installation, using a known replacement part can help restore steady behavior and reduce intermittent blower activity. The R1156 is commonly referenced as the successor to older units, including the 9120106 part number, making it easier to verify compatibility with on-hand inventories.

Why this matters

Replacing a worn or aging limit switch is a practical maintenance task that can support consistent airflow and reliable furnace operation. The R1156 is designed to be a straightforward swap for compatible Empire models, offering a familiar form factor and wiring layout that simplify installation for both homeowners and professionals.

Key benefits

• 165 Degree limit helps balance heat and blower operation in compatible Empire units.
• Broad compatibility with many Empire heater models, making it a versatile replacement.
• Durable construction built to withstand furnace environments and regular cycling.
• Clear replacement lineage, with the old part number 9120106 referenced for confirmatory checks.

Fit, installation, and maintenance tips

• Verify model compatibility and part number before swapping to minimize downtime.
• Power off and disconnect power before handling the switch and wiring.
• Inspect wiring and terminal connections for wear or corrosion prior to reassembly.
• Handle with care and use the appropriate tools to ensure a solid fit.

What to expect after replacement

Once installed, you may notice more consistent fan timing and airflow behavior tailored to your furnace’s heating cycle. Results can vary by system, but using a known replacement part can simplify future maintenance and part stocking.

Recommended use cases

This part is a practical option for homeowners maintaining Empire heaters, technicians stocking common replacements, and anyone seeking a reliable, field-proven limit switch with a recognized compatibility profile.