Stable Combustion: Multi-port design delivers a uniform flame pattern to prevent hotspots and maximize heat exchanger efficiency

this is an open fuse link

this programmed ECM motor modulates power consumption to maintain consistent CFM

failing to protect the compressor from refrigerant migration and potentially leading to mechanical failure

Carrier HH18HA160 Temp Switch 324846-701 Stable Combustion: Multi-port design deliversThe Carrier HH18HA160 Temp Switch is a critical OEM limit switch designed for heavy duty thermal protection in commercial and residential HVAC systems. Engineered as a safety limit control, this genuine Carrier replacement part monitors the heat exchanger environment, automatically interrupting the burner circuit if temperatures exceed safe operating parameters. With a precise 160F cut out and a automatic 120F cut in reset, it prevents thermal stress