Replaces the diaphragm washers from theSV81767 & SV80367 Inlet Valves. A new inlet valve can be costly so why not try a washer first?. A PAIR of New Style Washers for Ideal Standard Inlet Valves. Once this washer wears or splits it will cause the valve to malfunction, either stopping it from filling up, not shutting off or filling up very slowly.
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