This versatile pneumatic control valve supports both direct and reverse-acting configurations

If a flame is not sensed within the 4-second TFI

the hermetic design does not allow for internal disassembly

and butterfly valves in commercial HVAC automation setups

17" WC to 5

Hartland Controls TRAN-50VA Transformer 322055-301 This versatile pneumatic control valveThe Hartland Controls TRAN 50VA Transformer is a heavy duty, multi tap power solution designed for professional HVACR applications. Engineered as a 50VA control transformer, this unit steps down primary line voltages of 120V, 208V, or 240V AC to a stable 24V AC secondary output. This multi tap HVAC transformer features 18AWG stranded leads and is inherently limited, meaning it does not require secondary fusing for protection. Built with a Class B