you must use the VXT-24 model

This usually indicates a dead short in the circuit

The "/U" suffix typically denotes universal packaging

Compatible with Johnson Controls A-4400 air dryer units and A4000-156/158 condensate drain systems

ensuring that the burner assembly operates within safe modulation parameters

York S1-025-41076-000 Wiring Harness 320074-702 you must use the VXT-24The York S1 025 41076 000 Wiring Harness is a specialized 72 inch control wiring assembly engineered for seamless integration within York, Johnson Controls, and Luxaire air handling systems. As a critical OEM York replacement part, this harness facilitates reliable low voltage communication between the main control board and auxiliary components. The S1 025 41076 000 features factory terminated connectors designed to withstand the thermal cycling and