Ceramica Red Cable Valve ATS428Replacement Ceramica dual flush red twin cable valve. This is the dual flush red cable valve as fitted in the low 820mm inwall frame sold by Ceramica. Product code ATS428 Remember, when replacing the toilet flush valve, it is a good idea to also replace the inlet valve. These items have a similar lifespan and you don't want to be doing this job twice. Have a look at our inlet valves, they are probably much cheaper than you expect. (scroll down or look