Standardized Ports: 1/2" FNPT connections allow for straightforward replacement and compatibility with standard black pipe or copper fittings

The Armstrong Furnace ANGKT555-1 Conversion Kit is a field-installed assembly designed to convert 80% and 90% AFUE gas furnaces from Liquefied Petroleum (LP/Propane) back to Natural Gas operation

It integrates seamlessly with the Carrier Comfort Network (CCN) for remote monitoring and diagnostics

Technicians should look for a non-blinking LEN LED

Carrier HK42FZ036 Control Board 326058-757 Standardized Ports: 1/2" FNPT connectionsThe Carrier HK42FZ036 Control Board is a critical OEM integrated furnace control designed for high performance management of residential and commercial heating cycles. As the central logic hub, this direct replacement circuit board coordinates the sequence of operation for the inducer motor, hot surface igniter, and blower fan while monitoring essential safety strings. Engineered for compatibility with select Carrier, Bryant, and Payne furnaces,