Siemens Building Technology 332-2973 Actuator 320788-704 this smart thermostat connects via

this smart thermostat connects via 2

this part is frequently used as a compatible replacement for Bell & Gossett PD-35 series pumps using a 4

the 4ELN7604 ensures reliable switching between heating and cooling circuits to maintain stable setpoints in demanding environments

preventing erratic superheat and protecting the compressor from liquid slugging

though actual load should be calculated based on inductive spikes in motor applications

Siemens Building Technology 332-2973 Actuator 320788-704 this smart thermostat connects viaThe 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