Siemens Building Technology 333-072 Diaphragm
Experienced HVAC technicians know that a ruptured pneumatic actuator diaphragm can cripple a building’s dampening system. The Siemens 333-072 replacement diaphragm is the exact OEM-specified component for maintaining and repairing the legacy Powers Controls No. 4 pneumatic damper actuator. Specifically engineered for use with the now-discontinued cast aluminum housing (331-2885), this 5-pack of diaphragms ensures you have reliable spares for multi-actuator resets or emergency service calls. These pneumatic repair parts feature a high-performance elastomeric construction designed to handle the frequent cycling and pressure variations common in commercial Siemens building technology systems. By replacing a leaking 333-072 diaphragm, you restore the precise stroke and torque required for effective air volume control and mechanical fail-safe operations. This kit also typically includes the necessary gaskets and seals required for a leak-free damper actuator rebuild, preventing the need for costly total-unit replacements on old-style pneumatic installations.
Key Benefits for Technicians- Precise Compatibility: Engineered specifically for Siemens No. 4 actuator models with the 331-2885 cast aluminum housing.
- Bulk Value: Comes as a 5/pkg replacement kit, providing cost-effective inventory for large-scale facility maintenance.
- Operational Reliability: Restores pneumatic integrity to legacy air-handling systems without needing to re-pipe for new actuator styles.
- Technical Tolerance: Designed to withstand standard pneumatic control pressures while maintaining consistent elasticity.
Is the 333-072 compatible with newer plastic actuator housings?
No, this specific part is designed for the discontinued cast aluminum housing. For modern Series 331 actuators with plastic housings, verify the specific part number in your technical manual as the dimensions differ.
What are the signs that a No. 4 diaphragm needs replacement?
Look for slow response times in damper movement, audible air leaks at the actuator, or a failure of the actuator to reach its full 4-inch stroke. These often indicate a hairline crack or fatigue in the elastomer.
Does this kit include more than just the diaphragm?
Yes, the 333-072 assembly typically includes the diaphragm gasket and required seals to ensure a complete and airtight repair of the internal piston chamber.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $143.04
-65%$143.04
$50.06Siemens Building Technology 333-072 Diaphragm
Experienced HVAC technicians know that a ruptured pneumatic actuator diaphragm can cripple a building’s dampening system. The Siemens 333-072 replacement diaphragm is the exact OEM-specified component for maintaining and repairing the legacy Powers Controls No. 4 pneumatic damper actuator. Specifically engineered for use with the now-discontinued cast aluminum housing (331-2885), this 5-pack of diaphragms ensures you have reliable spares for multi-actuator resets or emergency service calls. These pneumatic repair parts feature a high-performance elastomeric construction designed to handle the frequent cycling and pressure variations common in commercial Siemens building technology systems. By replacing a leaking 333-072 diaphragm, you restore the precise stroke and torque required for effective air volume control and mechanical fail-safe operations. This kit also typically includes the necessary gaskets and seals required for a leak-free damper actuator rebuild, preventing the need for costly total-unit replacements on old-style pneumatic installations.
Key Benefits for Technicians- Precise Compatibility: Engineered specifically for Siemens No. 4 actuator models with the 331-2885 cast aluminum housing.
- Bulk Value: Comes as a 5/pkg replacement kit, providing cost-effective inventory for large-scale facility maintenance.
- Operational Reliability: Restores pneumatic integrity to legacy air-handling systems without needing to re-pipe for new actuator styles.
- Technical Tolerance: Designed to withstand standard pneumatic control pressures while maintaining consistent elasticity.
Is the 333-072 compatible with newer plastic actuator housings?
No, this specific part is designed for the discontinued cast aluminum housing. For modern Series 331 actuators with plastic housings, verify the specific part number in your technical manual as the dimensions differ.
What are the signs that a No. 4 diaphragm needs replacement?
Look for slow response times in damper movement, audible air leaks at the actuator, or a failure of the actuator to reach its full 4-inch stroke. These often indicate a hairline crack or fatigue in the elastomer.
Does this kit include more than just the diaphragm?
Yes, the 333-072 assembly typically includes the diaphragm gasket and required seals to ensure a complete and airtight repair of the internal piston chamber.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
Experienced HVAC technicians know that a ruptured pneumatic actuator diaphragm can cripple a building’s dampening system. The Siemens 333-072 replacement diaphragm is the exact OEM-specified component for maintaining and repairing the legacy Powers Controls No. 4 pneumatic damper actuator. Specifically engineered for use with the now-discontinued cast aluminum housing (331-2885), this 5-pack of diaphragms ensures you have reliable spares for multi-actuator resets or emergency service calls. These pneumatic repair parts feature a high-performance elastomeric construction designed to handle the frequent cycling and pressure variations common in commercial Siemens building technology systems. By replacing a leaking 333-072 diaphragm, you restore the precise stroke and torque required for effective air volume control and mechanical fail-safe operations. This kit also typically includes the necessary gaskets and seals required for a leak-free damper actuator rebuild, preventing the need for costly total-unit replacements on old-style pneumatic installations.
Key Benefits for Technicians- Precise Compatibility: Engineered specifically for Siemens No. 4 actuator models with the 331-2885 cast aluminum housing.
- Bulk Value: Comes as a 5/pkg replacement kit, providing cost-effective inventory for large-scale facility maintenance.
- Operational Reliability: Restores pneumatic integrity to legacy air-handling systems without needing to re-pipe for new actuator styles.
- Technical Tolerance: Designed to withstand standard pneumatic control pressures while maintaining consistent elasticity.
Is the 333-072 compatible with newer plastic actuator housings?
No, this specific part is designed for the discontinued cast aluminum housing. For modern Series 331 actuators with plastic housings, verify the specific part number in your technical manual as the dimensions differ.
What are the signs that a No. 4 diaphragm needs replacement?
Look for slow response times in damper movement, audible air leaks at the actuator, or a failure of the actuator to reach its full 4-inch stroke. These often indicate a hairline crack or fatigue in the elastomer.
Does this kit include more than just the diaphragm?
Yes, the 333-072 assembly typically includes the diaphragm gasket and required seals to ensure a complete and airtight repair of the internal piston chamber.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
