Resideo Q345A1305 Igniter-Burner terminals 4 and 6 are

terminals 4 and 6 are "dummy" terminals used for wire anchoring and have no electrical connection to the internal relay coil or contacts

specifically engineered to open at 75°F and close at 26°F

Most failures result from heavy carbon soot accumulation or a cracked ceramic insulator

The York 025-28954-000 Wire Harness is a specialized 3-pin OEM replacement designed to maintain circuit integrity within York YCWS water-cooled screw chillers and specific industrial motor applications

allowing for versatile installation over existing controls without requiring thermostat removal

Resideo Q345A1305 Igniter-Burner terminals 4 and 6 areThe Resideo Q345A1305 Igniter Burner is a critical replacement component designed for intermittent pilot ignition systems in high efficiency natural gas furnaces and boilers. This non primary aerated combination pilot burner and igniter features a single tip style with a front facing orientation, ensuring precise flame rectification and consistent main burner ignition. Engineered with a BCR 18 0. 018" orifice and a 1 4" compression fitting, this unit