

Hi everyone,
I bought a Mondella Resonance chrome pin lever wall top assembly with 1/4 turn ceramic disc valves installed in my shower (hot and cold wall taps) from Bunning 1 year ago.
The shower is leaking when turned off, and I believe the ceramic disc cartridges/spindles need replacing.
I would like to ask:
Can I replace just the internal shower tap cartridges, or
Are there any compatible wall top assemblies (same 1/2” BSP, 1/4 turn) from other brands that will fit without modifying the plumbing?
Any advice on compatible parts available at Bunnings would be greatly appreciated.
Thanks in advance!