Sunvic SZ2301 Zone Valve Actuator Head 2 Port Spring Return Normally Closed
Sunvic SZ2301 actuator is a 2 port spring return zone valve head, normally closed and features a manual override for safe and flexible heating control.
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- Estimated Delivery: For most items (over 99% of our products), orders placed before 3pm on working days will be dispatched the same day with our Fast DELIVERY 1st class service. For the rare items not immediately in stock, dispatch may take 1-3 working days after receiving your order. If your order cannot be dispatched the same day, we will notify you via email.
- For boilers: We aim to dispatch on the next working day. However, in some cases, it may take 2-3 working days to dispatch. Rest assured, we will always strive for the fastest possible turnaround.
The Sunvic SZ2301 is a reliable and efficient 2 port zone valve actuator head, designed to manage the flow of water in heating systems with precision and safety. Engineered for normally closed operation, this actuator ensures the valve closes securely when power is lost, offering a built-in fail-safe mechanism.
Its spring return function guarantees automatic valve closure, while the manual lever allows for easy override during commissioning or emergencies. Designed for simple actuator-only replacement, it can be swapped out without draining the system – saving time and effort during maintenance.
Perfect for both new installations and retrofits, the SZ2301 provides essential control in central heating and HVAC systems, upholding high standards of durability and ease of use.
Key Features
• Spring Return Operation – Ensures secure closure on power loss
• Normally Closed Design – Valve stays shut when not powered
• Manual Override Lever – Offers flexibility for servicing and emergencies
• Tool-Free Replacement – Swap actuator without draining the system
• Robust Construction – Built to last in demanding heating environments
Applications
• Central Heating Zone Control – For directing flow in heating circuits
• HVAC System Management – For use in residential and light commercial systems
• Actuator Replacement Projects – Ideal for replacing heads without disturbing plumbing
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Sunvic |
| Model | SZ2301 |
| Type | 2 Port Zone Valve Actuator |
| Configuration | Normally Closed |
| Return Action | Spring Return |
| Manual Lever | Included |
| Installation | Actuator-only replacement, no drain required |
| Application | Heating Zone Control |
| Frequency | 50 Hz |
| Part Number | SZ2301 |
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