Siemens Building Technology 331-4824 Actuator 320788-703 this high gas pressure switch

this high gas pressure switch integrates seamlessly with existing Raypak control circuits

EHS03H-A10B

the Nordyne 903977 comes as a complete door assembly with latch included

OEM Compatibility: Guaranteed direct replacement for York S1-031-02987-000

and Luxaire condenser coils

Siemens Building Technology 331-4824 Actuator 320788-703 this high gas pressure switchThe Siemens 331 4824 is a #3 pneumatic damper actuator engineered for proportional control in medium duty HVAC applications. Operating within a spring range of 8 to 13 psi, this unit provides a reliable 2 3 4 inch stroke, making it a standard solution for terminal units, small to medium dampers, and mixing boxes. Built with a rugged aluminum housing and a durable internal diaphragm, this direct acting actuator ensures consistent positioning even in