40278 | Water Softener Updated

balances a compact footprint with heavy-duty performance benchmarks. Below are the official system ratings certified to NSF/ANSI Standard 44 for structural integrity and efficiency: Specification 420P / Kenmore 420 (625.384200) Rated Grain Capacity 40,100 grains @ 15.1 lbs salt dose Resin Tank Volume 1.11 cubic feet of high-capacity ion exchange resin Maximum Water Hardness Up to 120 Grains Per Gallon (GPG) Clear Water Iron Removal Up to 10 Parts Per Million (PPM) Rated Service Flow Rate 7.7 Gallons Per Minute (GPM) Operating Pressure Limits 20 to 125 PSI Water Temperature Limits 40°F to 120°F (Cold water line use only) Physical Dimensions 48" H x 17" W x 21" D Core Engineering & Efficiency Features 1. IntelliSoft Demand Regeneration

Apply silicone grease to all rubber parts. Re-seat the rotor disc, fasten the cover plate evenly in a star pattern, and restore water pressure slowly to check for leaks. Maximizing the Lifespan of Your System 40278 water softener