Siemens CMV322 3 Port Mid Position Motorised Valve 22mm DVA3 Complete
The Siemens CMV322 3 Port Mid Position Motorised Valve offers 22mm brass construction, removable head design, and spring return functionality, ideal for central heating and hot water zoning.
- All prices include VAT
- 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 Siemens CMV322 3 Port Mid Position Motorised Valve is a high-performance solution designed to manage the flow of water between central heating and domestic hot water circuits. Featuring a 22mm brass valve body, this DVA3 model is built for reliability, compatibility, and ease of maintenance.
With its removable and replaceable actuator head, maintenance is quick and cost-effective—no need to drain the entire system. A wedge-type actuator provides precise movement, while the spring return mechanism ensures fail-safe operation every time.
The valve also includes a manual lever for system flushing and filling, and comes pre-wired with industry-standard connections, allowing straightforward replacement of models from Siemens, Landis & Gyr, and Landis & Staefa.
Key Features
• Removable Replaceable Head – Extends product life and reduces service downtime
• 3 Port 22mm Mid Position Valve – Balances heating and hot water with precision
• Replaceable Motor Unit – Enables quick and affordable maintenance
• Wedge Type Actuator Design – Ensures smooth movement and accurate operation
• Spring Return Mechanism – Provides automatic resetting for reliability
• Manual Lever Control – Simplifies draining, flushing, or system filling
• Standard Wiring Compatibility – Easily replaces existing mid-position valve units
Applications
• Domestic Central Heating Systems – For managing hot water and radiator zones
• Siemens System Upgrades – Direct swap for Landis & Gyr and Landis & Staefa valves
• Plumbing and Heating Maintenance – Ideal for routine servicing and long-term performance
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Siemens |
| Model Number | CMV322 |
| Type | Mid-Position Valve |
| Size | 22mm |
| Ports | 3 |
| Maximum Temperature | 50°C |
| Maximum Pressure | 8.6 bar |
| Material | Brass valve body |
| Diameter | 22mm |
| Colour | White |
| Voltage | 230V |
| Motor Power | 5W |
| Lead Length | 1 metre |
| Supplier Part Number | CMV322 |
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