This industrial-grade mounting hardware provides the structural stability required for precise HVAC damper control in medium to large-scale commercial air handling units

Diagnostic Ready: Integrated 1/8" NPT pressure taps on both the left and right sides allow for rapid manifold pressure verification

Rugged Construction: High-grade cast iron provides superior resistance to steam-side corrosion and thermal stress

6 Cv equal percentage flow characteristic

Nordyne 624689R Interface Module Freon This industrial-grade mounting hardware providesThe Nordyne 624689R Interface Module is a critical replacement component engineered for precise communication between the thermostat and the integrated furnace control board in specific Miller and Intertherm gas furnaces. This OEM interface board is designed to manage the ignition sequence and blower timing, ensuring the heating system operates within factory specifications. As a direct fit Nordyne replacement part, it addresses common diagnostic