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This SPST sensor is rated to close at 42°F to allow defrosting and open at 70°F to terminate the cycle
which is vital for compressor longevity
For technicians managing compressed air treatment
and mounting profile
This valve is typically rated for static pressures common in commercial closed-loop systems
Siemens Building Technology 331-2963 Actuator R-410A This SPST sensor is ratedThe Siemens 331 2963 is a rugged, No. 4 pneumatic damper actuator designed for reliable control in high demand HVAC and fire smoke systems. Built with a durable metal fabricated body, this piston type actuator features a 4 inch stroke and a nominal spring range of 8 to 13 psi, making it ideal for the gradual or positive actuation of dampers in ventilating systems and mixing boxes. This specific model is configured for a front mount installation using
