Siemens Building Technology 333-071 Diaphragm 324846-701 This design allows it to

This design allows it to wrap tightly around small diameter sheaves without the internal stress that causes premature cracking

Fail-Safe Logic: The 3-7 PSI spring return actuator ensures the valve reverts to the normally open position

the 2NH04501025 10kW heat kit utilizes durable nickel-chromium heating elements and an integrated limit switch to protect against airflow restrictions

Modulating Capability: Specifically designed for modulating valve applications to prevent temperature swings and improve occupant comfort

Siemens Building Technology 333-071 Diaphragm 324846-701 This design allows it toThe Siemens Building Technology 333 071 Diaphragm is a critical replacement component designed specifically for No. 4 pneumatic damper actuators with sheet metal cylinder housings. Engineered for high temperature pneumatic systems, this EPDM based diaphragm ensures consistent seal integrity and terminal equipment control in demanding HVAC environments. This specific 5 pack kit is compatible with Siemens 331 series actuators featuring part numbers 331