use with long flare nuts is recommended to ensure long-term connection integrity

For the flare version

As a National Board certified safety device

you must ensure all elastomers and diaphragms are compatible with the specific air quality and temperature of your system

Broad Compatibility: Engineered as a direct Copeland 914-0008-66 replacement

York S1-331-03005-000 Control Board 321894-708 use with long flare nutsThe York S1 331 03005 000 Control Board is a specialized Simplicity series ignition control designed for precise regulation of HVAC systems, including compatible York, Coleman, and Luxaire rooftop units and furnaces. Engineered by Johnson Controls, this genuine OEM replacement board (Part Number: 170469, 031 03005 000) manages critical operational sequences, including 2 4 stage heating and cooling cycles. It features an integrated LED diagnostic