Resideo AT87A1189 Transformer R-134A this component is specifically calibrated

this component is specifically calibrated for use in 115V AC refrigeration systems operating at a frequency of 60 Hz

It serves as a fixed metering device that regulates the amount of refrigerant entering the evaporator

For heavy-duty requirements

Johnson Controls VA-4233-GGA-24 24Vac/Vdc

Resideo AT87A1189 Transformer R-134A this component is specifically calibratedThe Resideo AT87A1189 Transformer is a heavy duty 277V to 24V control transformer engineered for reliable power delivery in commercial HVACR and building automation systems. Built to handle 48VA loads, this unit features a 277V primary and provides a precise 26. 5 V. O. C. secondary output to ensure stable performance for 24VAC control circuits, driving relays, or powering digital I O components. As a NEMA Type E transformer, it integrates energy