Fluidmaster PRO820UK Mechanical Dual Flush Valve

The Fluidmaster PRO820UK is a mechanical dual flush valve, worked by a rod from the button rather than a cable, so there is nothing to kink or stretch.

Key Points

• Mechanical rod operation
• Overflow and rod height both adjust to suit the cistern
• Full and half flush
• Good choice for exposed and concealed cisterns with a top button

Specification

• Brand: Fluidmaster
• Range: Fluidmaster PRO
• Maker Code: PRO820UK
• Type: Flush valve
• Suitable For: WC toilet cisterns
• Standard/approval: WRAS approved

Common Questions

Will It Fit My Cistern?
Measure the outlet hole in the base of the cistern. Most UK cisterns take a 1 1/2″ outlet and some newer ones take 2″. Check the height from the base to the top of the overflow as well.

How Do I Adjust the Flush?
The full and part flush volumes are set on the valve itself. Change them in small steps and test until the pan clears properly without wasting water.

Why Does My Toilet Keep Running Into the Pan?
It is usually a worn or dirty seal where the valve sits on the cistern outlet. Clean it or fit a new seal before you replace the whole valve.

In stock at Plumb Parts, the plumbers merchant on South Street in Glasgow (G14 0QX). Collect from the shop or order online. Phone 0141 404 5128 with any questions.

Datasheets

• Fluidmaster 820 Mechanical Dual Flush Valve Installation Instructions (PDF)