
The SA Series covers multiple actuation technologies and control strategies, ranging from conventional electro-thermal actuation to intelligent stepper motor control platforms for modern hydronic systems.







| Control Type | Drive Technology | Core Function | Typical Application | Recommended Products |
| ON/OFF Control | Wax Thermal / Stepper | Reliable On/Off zone control with optional fail-safe protection | Underfloor heating, conventional hydronic control, PICV Application | SA91, SA93, SA95X, SA96L, SA905-S |
| 0–10V Modulating | Stepper Motor (High-Resolution) | Continuous proportional modulation | Fan coil units, heat pumps, commercial HVAC | SA905-V |
| ΔT Automatic Balancing | Stepper Motor (Self-Optimizing) | Self-optimizing temperature differential control | Hydronic balancing systems, heat pump systems | SA905-T |
Pro Tip: How to Optimize Your Selection
● For standard residential and commercial HVAC projects, choose Wax Thermal Actuation for proven reliability, silent operation, and cost-effective On/Off control.
● For high-performance buildings, hospitality projects, office complexes, and energy retrofit applications, select Intelligent Stepper Actuation to unlock advanced modulation, automatic balancing, fail-safe protection, and intelligent commissioning capabilities.
Standard HVAC Control Compatibility Compatible with conventional thermostats, building automation systems, and hydronic control architectures.
Bluetooth Commissioning Selected intelligent actuator models support wireless parameter configuration, diagnostics, and commissioning via mobile application.
Universal Mechanical Interface Standard M30×1.5 threaded connection ensures compatibility with mainstream valves, manifolds, and PICV systems.
OEM/ODM Co-Development Support Flexible hardware platforms and customized control strategies support OEM integration and joint development projects.
Contact our friendly customer service team for any questions, concerns, or suggestions. We'd love to hear from you.
Headquarters Hotline: +86 755 61218391 Headquarters Hotline +86 755 61218391
Headquarters Email: info@saswell.com
Tech Support Email: support@saswell.com
