Fluidmaster 3" Universal Toilet Repair Kit

Updated August 15, 2026

Condition: NEW CANCELED DELIVERY Brand: Fluidmaster Model: K-400H-038-T4 UPC: 039961031419 Fluidmaster's K-400H-038 3 in. Universal High Performance Everything Toilet Repair Kit offers an all-in-one solution to repair your toilet fast and is made specifically for 3 in. flush valve toilets. This complete toilet repair kit includes everything you need to fix your toilet fast, including install/uninstall tools. The PerforMAX toilet fill valve is a high-performance fill valve with 2X greater refill rates than standard models, featuring ultra-quiet operation and adjustable bowl and tank water settings to customize your water use per flush. The adjustable 3 in. toilet flush valve changes height with a quick 90-degree turn, no cutting required. Also including the adjustable 3 in. toilet flapper. Built to last with a durable silicone seal and water-saving adjustable dial design. The universal tank-to-bowl toilet gasket is made to fit most any 3 in. flush valve toilet, with a simple two-piece design. Quickly solve running, noisy or leaky toilet problems with one kit made to fit and provide the simplest install possible. Follow the step-by-step instructions and use the toilet install tools on the fill valve, flush valve and tank-to-bowl hardware. Best for use in 1.28 HET toilets. All you need to fix your 3" flush valve toilet in one repair kit. Fast, simple installation- parts and tools provided. Control tank, bowl and flush water levels and save. The 3 in. Everything Kit has all you need to fix your 3 in. flush valve toilet with one repair kit. Easy to install, universal design fits 3 in. flush valve toilets. PerforMAX fill valve offers the fast and quiet refill, adjustable tank and bowl dials for customized water-use and adjustable height to fit more tanks. Adjustable flush valve eliminates cutting, simply twist to adjust height and fit most 3 in. flush valves. Color-coded, helpful install tools included for the fastest installation possible. Universal tank-to-bowl gasket for use with most any 3 in. flush valve toilets, including Toto, American Standard and more. Adjustable 3 in. toilet flapper dial turns to set water-use per flush and eliminate water waste. Durable, stainless steel hardware for a long lifespan. Application: Toilet. Color/Finish Family: Assorted Colors. Included: Hardware Included. Material: Plastic. Pack Size: 1. Plumbing Part Type: Toilet Kit. Toilet Repair Kit Type: Complete Toilet Repair Kits. Product Depth (in.): 7.28 in. Product Height (in.): 14.37 in. Product Width (in.): 8.07 in.

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