Early Holiday Savings Are Here! 

25% OFF ALL Products!

Get a head start on the holiday season with our Early Holiday Savings Event! Enjoy a massive 25% discount on every product storewide — no exclusions, no codes needed.

Whether you're replacing essential parts, upgrading your system, or stocking up for the winter, now is the perfect time to save big. But hurry — inventory is limited and deals won’t last long!

This Early Holiday Sale Extended until December 8!

The SF Series actuator requires a 24 Vac, 120 Vac, 208 Vac, or 277 Vac Class-2 supply signal to control Siemens Zone Valves with a 1/10-inch (2.5 mm) stroke. 

For use in heating and cooling HVAC applications with Siemens 599 Series Zone Valves that need 24 lb (105N) nominal force. 

Features:

• UL listed for plenum installations
• Direct coupled installation without tools
• Manual override
• Visual position indication
• Spring return fail safe operation