For stable operation

use unshielded 24 AWG twisted-pair wiring—such as CAT5 or CAT6—to maintain signal integrity over distances up to 250 feet

The York S1-026-19654-703 is a precision-engineered centrifugal blower wheel designed for high-efficiency airflow within York and Johnson Controls air handling units

While the standard 200RB2T3T is uni-directional

If the spark is jumping to ground rather than the gas stream

Daikin-McQuay 802005013 Switch Els PW 17895 For stable operationThe Daikin McQuay 802005013 Switch is a critical 3 position push button switch engineered for precise control within commercial and industrial HVACR systems. As a genuine OEM replacement part, this component is designed to maintain the integrity of Daikin and McQuay equipment, ensuring field reliable switching between operational modes. This switch is frequently utilized in fan coil units and air handlers to regulate fan speeds or temperature