Wirquin Pneumatic Dual Flush Valve - DVA0500

The overflow height can be adjusted by sliding the overflow tube up or down to set the water level.

You will need basic plumbing tools such as a wrench, screwdriver, and possibly pliers.

Replacement parts can be found at most hardware stores or online retailers that sell plumbing supplies.

Installation typically takes between 30 minutes to an hour, depending on your experience.

Warranty information is not available in the provided product data.

The DVA0500 is compatible with most standard toilet tanks with a 2" base. Ensure the 72mm button fits your toilet lid.

Check for leaks, ensure the flapper seal is secure, and inspect the overflow tube for any issues.

Check for leaks around the valve seal or in the flapper. Adjust or replace the seal as needed. Inspect the overflow tube.

Ensure the water supply is fully open. Check for clogs in the jets or the flush valve itself. Replace the valve if necessary.

Check the pneumatic tubing for leaks or disconnections. Inspect the button mechanism. Replace the button or tubing as required.

Check the flapper seal and the flush valve seal for wear and tear. Replace as necessary.

Check the fill valve for blockages or sediment. Clean or replace the fill valve.