as well as the TVS-813 Trap Valve Station

As a National Board certified safety device

Common Questions How do I test the LLCO circuit on the Warrick DFL1A0K

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

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

York S1-331-03005-000 Control Board 321894-708 as well as the TVS-813The 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