Siemens Building Technology 332-2973 Actuator 320788-704 While it features ball bearings

While it features ball bearings

ensuring seamless mechanical and gas-line integration

Direct Fit Compatibility: Specifically engineered for Nordyne furnace parts replacement

preventing erratic superheat and protecting the compressor from liquid slugging

Siemens Building Technology 332-2973 Actuator 320788-704 While it features ball bearingsThe Siemens 332 2973 Actuator is a rugged, No. 4 pneumatic damper actuator designed for reliable control of HVAC dampers and mixing box units. Engineered with a durable all metal body and an ozone resistant EPDM rolling diaphragm, this piston type actuator provides consistent performance in demanding commercial environments. It features an 8 13 psi nominal spring range and a 4 inch stroke, making it the primary direct replacement for MCP 1140 1520