Functional Devices TR20VA004 Transformer 319825-402 the 0121F00468S is built to

the 0121F00468S is built to withstand the high-temperature environment of a furnace's combustion chamber

simplifying the water column setup

The 11C31 is rated at 31

It is specifically designed to handle refrigerant circuit modification tasks

Functional Devices TR20VA004 Transformer 319825-402 the 0121F00468S is built toThe Functional Devices TR20VA004 is a versatile 20VA control transformer designed for reliable power conversion in building automation and HVAC systems. Built with split bobbin construction, this unit effectively steps down high line voltage to a consistent 24Vac secondary voltage for powering thermostats, relays, and sensors. The multi tap primary accommodates 120 208 240 277Vac, providing technicians with a single part solution for diverse project