Furnace Thermostat With Manual Reset, 180°F Cutout Temperature, SHM180

Furnace Thermostat with Manual Reset | SHM180 | 180°F Cutout | Replaces AP5643194

Protect your heating system with this brand-new SHM180 manual reset furnace thermostat. Featuring a 180°F cutout temperature, this high-limit switch is part of the trusted SHM Series of 3/4" (19mm) bimetal disc temperature controls—offering proven reliability in a compact, cost-effective design. Built to handle loads up to 25 amps at 240VAC, it’s ideal for residential and light commercial furnace applications requiring manual reset safety features.

⚙️ Features & Benefits:

• ✅ Manual reset design for enhanced safety and control
• Opens at 180°F to prevent overheating
• Rated for up to 25 amps at 240VAC
• Compact 3/4" (19mm) bimetal disc construction
• Brand New – Unused and ready to install

Replaces Part Numbers:

AP5643194

✅ Fits Models:

Compatible with select furnace and HVAC systems requiring a manual reset thermostat with 180°F cutout. Please refer to your unit’s service manual or model tag to confirm compatibility.

️ Installation Tips:

• Disconnect power before servicing the furnace
• Locate the existing thermostat near the heat exchanger or control panel
• Remove mounting screws and disconnect wire terminals
• Install the new SHM180 thermostat in the same orientation
• ✅ Reconnect wires securely, restore power, and test system operation

⚠️ Installation Disclaimer:

This furnace thermostat is intended for use by licensed HVAC technicians or individuals with proper heating system repair experience. Buyer is responsible for verifying compatibility and ensuring safe installation. Improper handling may result in equipment damage, fire hazard, or personal injury. Seller assumes no liability for misuse or incorrect application.

Reliable protection. Manual reset safety. Upgrade your furnace with this high-quality SHM180 thermostat replacement.