
Item Description
Fluidmaster PRO820UK — Mechanical Dual Flush Valve — 2" Outlet
High-performance mechanical dual-flush valve for top button-activated cisterns with a 2" outlet. Adjustable full/partial volumes (3–6 L), 170–250 mm overflow height, and a twist-and-release service mechanism. Supplied with a chrome push button for standard 40 mm lid holes.
Key features
- Dual flush: adjustable reduced & full flush
- Adjustable volumes: 3–6 L
- Overflow adjust: 170–250 mm
- Twist-and-release top for easy servicing
- Chrome push button (40 mm hole)
- WRAS approved design
Size & format
- Outlet size: 2" (50 mm)
- Activation: Top button (mechanical rods)
- Dimensions (approx.): 210 H × 120 W × 80 D mm
- Weight (approx.): 0.62 kg
- Material: Robust plastic with silicone seal
What’s included
- 1 × PRO820UK mechanical dual flush valve
- 1 × Chrome push button (top-mount)
- Mechanical rods & fixings
Check before you buy
- Your cistern uses a 2" outlet (not 1.5")
- Top-mounted button actuation with 40 mm hole
- You want mechanical (not cable/pneumatic) operation
FAQs
Is the push button included?
Yes — a chrome top button for 40 mm lid holes is supplied in the box.
Can I fine-tune flush volumes?
Yes — both reduced and full flush volumes can be adjusted between 3–6 L to suit your cistern and save water.
Which spare button kit fits this valve?
The Fluidmaster 820BR Button & Rods kit is designed for the PRO820UK (mechanical, not cable/pneumatic).
What cisterns does it fit?
Most top button close-coupled cisterns with a 2" outlet. Always verify outlet size and lid hole diameter before ordering.
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!