the 100281571 Thermopile Assembly is the critical millivolt replacement part you need

maintaining the integrity of the combustion seal is non-negotiable for system safety and efficiency

Constructed from high-grade brass to withstand a maximum working pressure of 150 PSI

Dual-Shaft Design: The 1/2" diameter dual shaft allows for versatile blower wheel mounting on both sides of the motor housing

Smooth Operation: Precision-balanced assembly and micro-finished groove walls reduce vibration and premature belt wear

Siemens Building Technology 546-00450 Interface Board 320788-704 the 100281571 Thermopile Assembly isThe Siemens 546 00450 Interface Board is a critical communication bridge designed for seamless integration within Siemens Building Technologies systems. Engineered for high reliability signal processing, this HVAC control board facilitates data exchange between field devices and the primary automation network. It is frequently utilized in BAS (Building Automation Systems) to maintain system integrity and ensure precise command execution. This OEM