Siemens Building Technology 333-071 Diaphragm 319852-301 With a 95-degree stroke and

With a 95-degree stroke and a 1/2-inch round shaft

incorrect gas pressure

making it a drop-in match for specific Trane and American Standard units

making it compatible with most commercial control circuits and line-voltage safety loops

Common Questions: How do I confirm the 5/8" x 7/8" ODF sizing

Siemens Building Technology 333-071 Diaphragm 319852-301 With a 95-degree stroke andThe 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