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The LAVELLE INDUSTRIES INC 818MP is a complete toilet fill valve and flapper repair kit designed to address the two most commonly replaced components in a residential toilet. The kit centers on the Korky Quietfill Platinum fill valve, which adjusts from 7-3/4 inches to 13-1/2 inches in height to fit a wide range of toilet tank configurations. It includes a 2 inch flapper rated for toilets using 1.6 GPF or less, making it well suited for all low-flow toilets manufactured since 1994. A refill adjuster is incorporated to deliver the correct volume of water to the bowl and minimize unnecessary water consumption. Licensed plumbers and experienced DIYers install this kit without special tools.
The 818MP kit is intended for residential toilet repair applications where the fill valve or flapper is causing slow refill, continuous running, or excessive noise. The height-adjustable valve body accommodates the broad range of tank depths found in standard 1.6 GPF and low-consumption toilet models. The included 528MP fill valve and 100BP 2 inch flapper work together as a matched assembly, reducing the likelihood of mismatched component sizing during service calls.
Designed as an OEM-style replacement fill valve and flapper kit stated to fit 99 percent of toilets, particularly low-flow models rated at 1.6 GPF or less produced since 1994.
Installation is performed by a licensed plumber or a competent DIYer following local plumbing code requirements. Shut off the water supply at the angle stop below the tank and flush to drain residual water before removing the existing fill valve. The adjustable valve body should be set to the correct height for the specific tank depth before tightening the mounting nut. Do not overtighten the mounting nut or coupling nut, as the components are designed for hand-tight plus minimal wrench adjustment to avoid cracking the tank.
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