Functional Devices TR50VA001 Transformer F) and comes as a

F) and comes as a complete thermostat accessory kit including the dial

High Durability: The rigid aluminum frame and 5-ply media withstand high-velocity airflow and outdoor exposure

This HVAC safety switch opens the circuit to prevent the furnace from operating in an unsafe thermal state

What happens if I use a 20VA transformer on a system requiring 40VA

Field Service Efficiency: The integrated core wrench on each cap eliminates the need for additional tools when replacing or tightening the CD4450 core

Functional Devices TR50VA001 Transformer F) and comes as aFor veteran technicians and building automation contractors, the Functional Devices TR50VA001 Transformer is a reliable workhorse designed for Class 2 control circuits. This 50VA rated unit features a 120Vac primary voltage and a consistent 24Vac secondary voltage, making it ideal for powering HVAC controllers, relays, and low voltage safety circuits. Built with a robust split bobbin construction, it provides high level isolation between primary and