

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Siemens Building Technology 331-4811 is a No. 3 Pneumatic Actuator designed for various HVAC applications. This actuator provides precise control and reliability, making it ideal for industrial environments. It offers an 8-13 psi spring range and a compact design for easy fitting into different systems.
The #3 Pneumatic Actuator supports smooth operation in controlling dampers and air valves. Its robust build ensures resilience under demanding conditions.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!