This hardware is essential for field technicians upgrading mechanical systems to DDC building automation platforms

Integrating this genuine furnace vent pipe into your repair or installation protects the system longevity and meets manufacturer specifications for air distribution

The HPRJMK3 is designed for units manufactured from June 2006 to the current date

which is essential for maintaining mechanical alignment in air handling units and chillers

Hartland Controls 90294 Relay 323613-751 This hardware is essential forThe Hartland Controls 90294 Relay is a heavy duty general purpose switching relay engineered for demanding HVAC and refrigeration applications. Featuring a 120V coil and a single pole double throw (SPDT) configuration, this component is a direct field replacement for the industry standard Type 84 (90 290 through 90 295) series. Built with a Class B insulation system and silver cadmium oxide contacts, it is designed to manage single or two speed fan