this harness features heat-resistant insulation and precise terminal connectors for a secure

preventing the ignition sequence if a blockage or mechanical failure occurs

simplifying tight-space retrofits and manifold assemblies

Older series using White-Rodgers or Johnson Control systems typically require a full spark pilot conversion kit rather than a single module swap

Williams P322445 Key 320788-704 this harness features heat-resistant insulationThe Williams P322445 Control Key is a specific OEM replacement component designed for compatibility with Williams Furnace Company floor furnaces. This critical HVAC gas valve key is engineered to operate the manual gas shut off and control mechanisms on high efficiency models, including the 4505A and 6505A series, as well as several 2024 and legacy units like the 4505621A, 5005622, and 6205622. Built for durability in high heat environments, this