Reznor 258319 Control Board 320788-704 such as the SST1600

such as the SST1600

The HS2XX comes pre-calibrated from the factory

Complete Installation Kit: Includes sensing bulb thermal insulation and bulb clamps to ensure accurate temperature sensing on the suction line

while Hytrel is used for high-temperature and high-torque environments with minimal damping

Key Benefits Universal Voltage Compatibility: Internal circuitry automatically handles 24V to 277V AC

Reznor 258319 Control Board 320788-704 such as the SST1600The Reznor 258319 Control Board is a critical OEM replacement part engineered specifically for Reznor Varidigm heating and ventilation systems. This high density circuit board serves as the primary controller for industrial HVAC applications, managing complex ignition sequencing, blower motor timing, and safety circuit monitoring. Designed to interface with the Varidigm 1200 series, the 258319 ensures precise modulation of gas fired units, optimizing