Carrier HH18HA194 Limit Switch 321142-301 using a genuine Carrier part

using a genuine Carrier part ensures seamless fitment and restores the unit to its original factory specifications

extending the life of existing infrastructure

this unit serves as the non-volatile storage backbone for essential firmware and software logic required for precise HVAC system operation

even in systems with significant pressure drops across the distributor

Carrier HH18HA194 Limit Switch 321142-301 using a genuine Carrier partFor service technicians addressing limit circuit trips in Carrier, Bryant, or Payne furnaces, the Carrier HH18HA194 Limit Switch is the direct OEM replacement for safety circuit management. This critical furnace high limit switch is engineered with a temperature range of 140F (open) to 180F (close), featuring a reliable manual reset button that prevents the system from automatically cycling if a dangerous over temperature condition occurs. Designed