How Do I Know If a Fluidmaster Dual Flush Kit Fits My Older 3.5 Gallon Toilet Tank?
Many older homes across North America still utilize plumbing fixtures that consume excessive amounts of water. In particular, older toilets installed before the 1980s are a major source of unnecessary water waste. To resolve this financial drain, many homeowners turn to DIY plumbing repairs and retrofitting options. According to the EPA WaterSense Specification, all toilets manufactured in the United States after 1994 must use 1.6 gallons per flush (gpf) or less for a single flush. Running an older 3.5-gallon toilet can waste more than $140 annually in unnecessary water bills. The Fluidmaster dual-flush conversion kit is fundamentally designed to fit the standard 2-inch (approximately 50.8 mm) flush valve opening found in these older models. However, if the interior vertical clearance of your tank is less than 10 inches, the top-mounted button mechanism will interfere with the tank lid, rendering it completely inoperable. The Ultimate Guide to Successful Dual-Flush Toilet Conver...