As a National Board certified safety device

Does this blower wheel include the necessary hardware for mounting

Using it with natural gas without a certified conversion kit will result in improper combustion and unsafe operating conditions

reducing field downtime during critical maintenance

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

York S1-331-03005-000 Control Board 321894-708 As a National Board certifiedThe 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