the sensing element is double encapsulated to prevent moisture infiltration and premature signal drift

it provides a reliable hard-wired safety interlock that prevents expensive component meltdowns caused by pump failure or clogged filters

This 1401004 model is factory-set to 0

these parts are technically identical and can be used interchangeably in any standing pilot application requiring a 60-inch Husky lead

4441-01 and HKN-E9-12-02

Carrier HH84AA021 Circuit Board Els PW 17895 the sensing element is doubleThe Carrier HH84AA021 Circuit Board is a critical gas furnace control center designed for high efficiency HVAC units. Engineered as a microprocessor based replacement, this integrated furnace control (IFC) provides precise sequencing for ignition, blower timing, and safety monitoring. It serves as a direct replacement board for several legacy models, including CESO110019 00, HH84AA015, and ICM275C, ensuring seamless HVAC part compatibility without