the hermetic design does not allow for internal disassembly

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

swapping in this genuine Johnson Controls board restores the precise interface between your low-voltage controls and high-voltage components

this stainless-steel reinforced gasket is designed for dry-fit installation to provide a mechanical seal

it often indicates a relay failure within the module itself

Hartland Controls TRAN-50VA Transformer 322055-301 the hermetic design does notThe 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