Siemens Building Technology ASC77.2U Kit 328140-751 Technicians utilize the 2

Technicians utilize the 2

Durable Construction: Built to withstand the high-cycle environments of residential and commercial heating applications without drift in calibration

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

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

this electronically commutated motor is factory-programmed to maintain precise airflow across varying static pressures

Siemens Building Technology ASC77.2U Kit 328140-751 Technicians utilize the 2The 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,