providing real-time thermal reporting to the integrated control board

The Series 174A is an emergency safety device only

Direct OEM Compatibility: A genuine Reznor 30249 part ensures 208V electrical alignment and proper mounting hole synchronization

Precision Thermal Calibration: Fixed 117°C trip point provides a reliable high-temperature cutout to protect sensitive furnace and air handler components

The H100-612 typically features a fixed deadband ranging from 40 to 250 PSI depending on the specific setpoint

Fenwal 35-605957-015 Ignition Module 320734-701 providing real-time thermal reporting toThe Fenwal 35 605957 015 Ignition Module is a 24 VAC microprocessor based Direct Spark Ignition (DSI) control engineered for precision performance in demanding HVACR environments. This Fenwal ignition control provides comprehensive burner management by continuously analyzing system parameters to ensure safe, repeatable combustion cycles. Designed to handle both natural gas and propane applications, the module operates efficiently within a broad