Trane BRD4939 Circuit Board Freon leading to potential vacuum leaks

leading to potential vacuum leaks

R-410A Optimized: Specifically calibrated for high-pressure refrigerant metering devices used in modern HVAC systems

Heavy-Duty Construction: Features an all-steel cover and internal bellows designed for high-vibration commercial environments

Common Questions & Technical Support What causes the York S1-025-17620-017 to trip frequently

Using it with other refrigerants will lead to incorrect superheat and potential system failure

Trane BRD4939 Circuit Board Freon leading to potential vacuum leaksThe Trane BRD4939 Circuit Board is a critical OEM HVAC control board engineered to manage the sequence of operations for VariTrane and VariTrac VAV (Variable Air Volume) units. As a high performance direct replacement for BRD3564 and X13690252 07, this VAV UCM 4. 2 board processes thermostat inputs and sensor data to regulate fan speeds, blower cycles, and compressor activity. Field technicians prioritize the BRD4939 for its precision in executing