Johnson Controls Y63F22-0 Transformer 319848-301 High Thermal Tolerance: Rated for

High Thermal Tolerance: Rated for hydronic systems operating at temperatures up to 240°F

the TFRB24 is designed as the direct technical successor to the TFRX24 series

Diagnostic Convenience: Top-accessible pressure taps and wiring terminals simplify commissioning and combustion analysis

6" WC setpoint

Johnson Controls Y63F22-0 Transformer 319848-301 High Thermal Tolerance: Rated forThe Johnson Controls Y63F22 0 is a heavy duty Class 2 control transformer engineered for high demand industrial and commercial HVACR applications. This 50 VA transformer is purpose built to step down 277 480V primary electrical service to a stable 24V secondary output, providing reliable power for digital controllers, gas ignition systems, and motor actuators. Designed with a split bobbin configuration, it ensures superior isolation between primary