Pay in 4 interest-free payments of $39.76 Learn more
Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
and compatible HVACR hardware
or mini split condensate removal pump
ensuring precise monitoring of the combustion air blower's static pressure
Always check your specific model’s parts list to ensure the orifice size matches your unit’s BTU rating
Siemens Building Technology 331-4311 Actuator Els PW 17895 and compatible HVACR hardwareThe Siemens Building Technology 331 4311 Actuator is a No. 3 Pneumatic Damper Actuator engineered for the gradual or positive control of HVAC dampers and air valves. This robust, metal fabricated unit operates within a 3 to 7 psi spring range and features a 2 3 8 inch stroke, making it a reliable choice for mixing box dampers and unit ventilators. As the direct replacement for MK 693 85, it integrates seamlessly into existing pneumatic systems using