503 F31 Pressure Assist Tank Assembly with Cartridge for Toilets model 503 Systems 1.6 gpf Tanks Replacement Tank 138.06 fl. oz.

Additional Details from the Manufacturer

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More features

• 【Fit】The 503 pressure assist tank assembly is the efficient flushing system. Not fit for K 4404 tank or 28-385 tank; It does NOT fit 10 Inch rough-in tanks, only 12 Inch rough-in tanks. ‘’Rough-in’’ refers to the distance from the wall to the bolts at the center of the drain. Does not work in one-piece fixtures.
• 【Flushing Efficiency】This 503 Pressure Assist Systems is used on model 503 Systems 1.6 gpf tanks.
• 【Value for money】This 503 Pressure Assist Tank Assembly Contains Cartridge, Great Replacement Toilet Tank and Easy to Install.
• 【Easy to install】 This 503 Replacement Tank System can be installed in just 30-40 minutes. Step by step installation instructions and videos are available online youtube.com. Caution: Pressure vessel turn water supply off and flush unit prior to servicing use cold water only.
• 【503 Pressure Assist Tank for Toilets】If there is any problem with the replacement tank, we will deal with it for you at the first time to solve your problem until you are satisfied. We hope you enjoy a good shopping experience with us.