Siemens Building Technology ASC77.2U Kit 328140-751 Durable Construction: Built to withstand

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

With a thermal capacity of 505

Each unit includes a PG9 adapter (often identified under part numbers 101934F32 or 101934R32)

and restore dependable furnace operation

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

Siemens Building Technology ASC77.2U Kit 328140-751 Durable Construction: Built to withstandThe 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,