48mm/1.89in Thread Diameter Dual Push Flushing Toilet Water Tank Button

Key Features

• Dual-action flush mechanism for partial and full flushes.
• Constructed from durable, corrosion-resistant materials.
• Features a 48mm (1.9 in) standard mounting thread.
• Includes two adjustable actuator rods that can be cut to length for a precise fit.

Replaces / Cross-Reference Part Numbers

• Universal replacement for top-mount, dual-flush buttons requiring a 48mm thread diameter.

Compatibility & Fitment

• Thread Diameter: 48mm (1.9 in)
• Fits Cistern Lid Hole Diameter: 48mm to 57mm (1.9 in to 2.2 in)
• Compatible with many dual-flush toilet models, including certain TOTO and American Standard cisterns.
• Rod Length: 95mm (3.7 in), trimmable.

When to Replace

• Existing button is cracked, broken, or does not stay seated.
• Button is stuck or difficult to depress.
• Flush activation is inconsistent or fails.
• Water continuously runs after a flush due to a faulty button mechanism.

Installation Tips

• Turn off the water supply and flush to empty the tank before beginning.
• Unscrew the locknut on the underside of the cistern lid to remove the old button assembly.
• Measure and cut the new actuator rods to match the length of the old ones.
• Install the new button and hand-tighten the plastic locknut to secure it. Do not overtighten.
• Restore the water supply and test both flush functions for proper operation.