Carrier LH660011 Control Board Els PW 17895 or accumulated "slug" from dust

or accumulated "slug" from dust buildup

How do I check the strength of the flame signal

it offers a direct-fit solution for technicians servicing 277V three-phase heating systems

Failures typically stem from a ruptured internal diaphragm

it maintains a wide operating range from -40°F to 175°F

Carrier LH660011 Control Board Els PW 17895 or accumulated "slug" from dustThe Carrier LH660011 Ignition Control Board is a critical OEM replacement engineered for precise sequence management in Carrier furnace ignition systems. As a primary 24V HVAC control module, this board regulates gas valve timing, spark ignition, and flame sensing to ensure reliable combustion cycles and system safety. Designed to support both 50Hz and 60Hz frequencies, the LH660011 integrates seamlessly into the Carrier PG8HAA series and other