Item Description
Thomas Dudley Niagara Pneumatic Flush Valve — 327628
Genuine Dudley Pneumatic System Dual / Single Flush WRAS Approved Easy Replacement
Replacement Thomas Dudley Niagara Pneumatic Flush Valve, part 327628, designed for Dudley push buttons, push plates, and touch-free flush sensors. Works with both dual and single flush systems. Replaces the discontinued Dudley Vantage valve.
✨ Latest 2025 update supplied: Improved pneumatic system, new bellows design, enhanced visuals (in Dudley blue) and superior performance.
Compatibility: Suitable for Dudley Vantage, Miniflo, and Royal Pushflo concealed cisterns (2" BSP / 1.5" BSP outlets).
Key features
- New 2025 design with improved pneumatic system
- Works with: Dudley push buttons, plates & touch-free sensors
- Dual / single flush: 6/4 litre eco-friendly system
- Fits outlets: 2" BSP (60mm) or 1.5" BSP (48mm)
- Bayonet fitting: 1/4 turn quick release
- Compact size: 42mm total height
- WRAS approved & backed by 1-year warranty
Service & maintenance
- Pipes: Trim & reattach if hardened
- Button: Replace if unresponsive (seal issue)
- Valve: Check bellows inflate properly
- Leaks: Clean/replace dynamic seal if water passes to pan
- Easy removal: Twist-off 1/4 turn bayonet
What’s included
- 1 × Dudley Niagara Pneumatic Flush Valve (327628)
Buttons, plates, sensors and other cistern parts are not included.
Replacement overview — Important
Remove the existing Vantage valve from your cistern, then install the new Niagara Pneumatic Flush Valve (327628). Designed to slot directly into compatible cisterns with no special tools.
⚠️ Please note: Do not confuse this pneumatic version with the mechanical pipe-less version. For support, we can provide a step-by-step guide or video — ask us before fitting if you need help.
Check before you buy
- Your cistern is a Dudley Vantage, Miniflo, or Royal Pushflo
- You require a pneumatic (with pipes) valve, not the mechanical version
- You are replacing the valve like-for-like with 327628
FAQs
Will this replace my Dudley Vantage valve?
Yes — this valve directly replaces the discontinued Dudley Vantage valve.
Does it work with both buttons and plates?
Yes — it works seamlessly with Dudley push buttons, push plates, and touch-free sensors.
What if my flush button feels unresponsive?
This is usually due to a seal issue in the button. Replacing the button often resolves the problem.
Can you provide fitting instructions or a video?
Yes — instructions and a video are available on request. Contact us for support.
Need help figuring out if this product is right for your setup?
Send us your best bathroom selfies (or, you know, just your bathroom setup pics) to [email protected] or WhatsApp 07359 625424 us, and we'll help you flush your confusion away!