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It depends on who you’re using and what’s involved. If it’s the old style type which involves cutting off bolts that’s a decent price, if it’s the bayonet type flush valve then it seems steep, and steep for either type flush valve unless it’s all concealed?
Reply to the thread, titled "Toilet flush valve and ball valve" which is posted in Boiler Advice Forum on Plumbers Forums.
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.