Siemens Building Technology 332-2973 Actuator 320788-704 this part is frequently used
Baker’s notes & crumb story
Description
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
Why should I choose an OEM shaft over a generic steel rod
allowing for standard piping to discharge zones or manifold systems
Siemens Building Technology 332-2973 Actuator 320788-704 this part is frequently usedThe 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