The 12A09 vent limiter acts as a safety check

Can I use this for RTAC series chillers

preventing hunting and protecting the compressor from liquid slugging

Technicians should look for a humming motor with no shaft movement

the MARS 11987 offers dual terminals for quick connection and a standard 1

Siemens Combustion SQM50.481R1Z4R Actuator 318820-201 The 12A09 vent limiter actsThe Siemens SQM50. 481R1Z4R is a high precision 120v reversing actuator engineered for the demanding requirements of industrial and commercial burner controls. Operating on a 110 120V AC supply at 50 60Hz, this modulating damper motor provides a robust 140 in lb (15 Nm) torque, making it ideal for the accurate positioning of air and gas dampers, flow control valves, and butterfly valves. This model is factory configured for clockwise (CW) rotation and