Its universal break-off mounting bracket allows for flexible installation in tight cabinets

ensuring a secure and reliable electrical bond for professional HVAC sensor installation

and 16-13/16 inches

Rugged Construction: Engineered to withstand the heat and vibration of industrial HVAC ventilation systems

making it the only HVAC acid test kit needed on the truck

Reznor 257975 Control Board Refrigerant Its universal break-off mounting bracketThe Reznor 257975 Control Board is a critical direct spark ignition (DSI) control designed for heavy duty HVAC unit heaters and professional grade gas fired heating systems. Engineers and technicians rely on this OEM replacement part for its precise ignition sequencing and integrated flame sensing capabilities, which monitor for safety and efficiency. This microprocessor based circuit ensures consistent combustion regulation by managing the inducer