Technicians should inspect the existing thermocouple or thermopile and replace them simultaneously if they show signs of oxidation or low millivolt output

Equipment Protection: Built-in compressor short-cycle protection and adjustable heating cycle anticipation optimize run times

Versatile Connection Sizes: Standard 3/4" x 1/2" ports facilitate standard piping without requiring extra adapters

in non-condensing mechanical environments

the Carrier HH18HA279 Defrost Sensor is often your primary point of failure

Carrier HH18HA194 Limit Switch 326058-758 Technicians should inspect the existingFor 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