20162904 Furnace Primary Limit Switch 150°F to 110°F
20162904 Furnace Primary Limit Switch 150°F to 110°F Key Features Temperature Range: Opens at 150°F (65.5°C) and closes at 110°F (43.3°C). Function: Monitors plenum temperature and automatically shuts down the furnace if it exceeds the high limit, preventing overheating. Construction: Made from aluminum alloy and thermoplastic materials for durability and reliable conductivity. Type: Primary high-limit temperature control switch. Replaces / Cross-Reference Part Numbers 20162904 Compatibility & Fitment Designed for use in various Goodman brand furnaces. Verify the part number in your appliance's service manual to ensure proper fitment. When to Replace The furnace cycles on and off frequently without reaching the set temperature. The indoor blower motor runs continuously. The furnace fails to ignite or produce heat. Installation Tips Disconnect all electrical power to the furnace before servicing. Confirm the temperature ratings of the replacement switch match the original p