Siemens Building Technology ASC77.2U Kit 328140-751 typically positioned before the expansion

typically positioned before the expansion device to capture any slag or moisture-related debris that escaped the primary filter drier

providing a reliable fuel conversion without compromising the structural integrity or performance of the primary heating elements

ensuring reliable side-wall venting performance and total system safety by preventing burner ignition until the pressure switch proves adequate draft

With a thermal capacity of 505

Optimized Wattage: The 11W draw provides the necessary induction for high-pressure lifts while maintaining lower operating temperatures

Siemens Building Technology ASC77.2U Kit 328140-751 typically positioned before the expansionThe Siemens ASC77. 2U is a field installable external dual auxiliary switch kit designed for seamless integration with GIB, GBB, and GCA series OpenAir actuators. Engineered for precision positioning, this double auxiliary switch allows technicians to monitor actuator stroke and signal external equipment at predetermined rotation angles. With a heavy duty 24V to 250V AC DC switching capacity, the ASC77. 2U is essential for interlocking fans, dampers,