--- product_id: 28966691 title: "630-0204 2\" SmartFasten Tank to Bowl Kit (Black)" brand: "mansfield" price: "$26.46" currency: USD in_stock: true reviews_count: 8 category: "Mansfield" url: https://www.desertcart.us/products/28966691-630-0204-2-smartfasten-tank-to-bowl-kit-black store_origin: US region: United States of America --- # 3 patent-pending SmartFasten bolts Hassle-free bolt locking design Rust-free rubber bolt heads 630-0204 2" SmartFasten Tank to Bowl Kit (Black) **Brand:** mansfield **Price:** $26.46 **Availability:** ✅ In Stock ## Summary > 🚽 Upgrade your throne with hassle-free, rust-proof fastening! ## Quick Answers - **What is this?** 630-0204 2" SmartFasten Tank to Bowl Kit (Black) by mansfield - **How much does it cost?** $26.46 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/28966691-630-0204-2-smartfasten-tank-to-bowl-kit-black) ## Best For - mansfield enthusiasts ## Why This Product - Trusted mansfield brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** Specifically engineered for 2" flush valve Mansfield toilets. - • **All-in-One Kit:** Includes gasket, bolts, and nuts for a seamless setup. - • **Cleaner, Faster Setup:** No washers required thanks to molded rubber seals. - • **Rust-Proof Durability:** Rubber bolt heads keep metal dry and corrosion-free. - • **Effortless Installation:** SmartFasten bolts lock in place—no awkward tank reach needed. ## Overview The Mansfield 630-0204 2" SmartFasten Tank to Bowl Kit is a complete, easy-to-install plumbing solution designed for Mansfield toilets with 2" flush valves. Featuring patent-pending bolts that lock in place without needing to reach inside the tank, molded rubber seals that eliminate washers, and rust-resistant rubber bolt heads, this kit ensures a durable, leak-free connection. Ideal for professionals and DIYers seeking a quick, clean, and reliable toilet repair upgrade. ## Description Upgrade your toilet repair experience with the Mansfield 630-0204 2" SmartFasten Tank to Bowl Kit - a hassle-free solution designed for durability and easy installation. Whether you're a professional plumber or a DIYer, this kit makes tank-to-bowl installation simpler, cleaner, and more reliable. What's Included: - 1x 2" Tank-to-Bowl Gasket (fits 2" flush valves) - 3x Patent-Pending SmartFasten Bolts) - 3x Nuts) SmartFasten Technology Features: - Hassle Free Installation – The SmartFasten bolt design locks in place, eliminating the need to reach inside the tank when tightening nuts. - Washer Free – Each bolt includes a pre-molded rubber seal, eliminating the need for separate washers and simplifying setup. - Rust Free – With a rubber-headed bolt, water never touches metal—preventing rust and extending the life of your installation. Please Note: This kit is for 2" flush valve systems. While the 2" and 3" versions of the SmartFasten kit look similar, the only difference is the size of the gasket. Be sure to match the gasket size to your flush valve size to ensure proper fit and function. Perfect For: - Toilet repairs and upgrades - Mansfield toilet models using a 2" flush valve - Professionals and DIYers looking for a quick, clean, rust-resistant solution Make toilet maintenance easier than ever with the Mansfield 630-0204 2" SmartFasten Kit—designed to save time, prevent leaks, and eliminate common frustrations. Review: Much Better Than Generic Kits - I tried generic, after market kits and they all leaked; inevitably costing me double the work. The key to this design is tightening each bolt down to make the seal. A few extra turns makes all the difference. Easy to install and works very well. Highly recommended. Review: Works well. - Perfect fit. The attachment screws were different but work well. ## Features - Mansfield 630-0204 Complete Kit Includes: 2" tank-to-bowl gasket, three patent-pending SmartFasten bolts, and three nuts – everything needed for a secure installation. - Hassle-Free Installation: Unique bolt design locks into place, so you never have to reach inside the tank to hold the bolt while tightening. - No Washers Needed: Each bolt comes with a molded rubber seal—no separate washers required, making installation quicker and cleaner. - Rust-Free Design: Rubber bolt heads prevent water from contacting metal, eliminating rust and increasing long-term durability. - 2" Gasket for Flush Valve Compatibility: Specifically designed for toilets with a 2" flush valve. Note: 2" and 3" versions appear similar—ensure correct gasket size for your flush valve. - Fits Many Mansfield Toilets: Engineered to work with a wide range of Mansfield models that use a 2" flush valve system. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0113O78SS | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #30,798 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Toilet Floor Bolts & Washer Sets | | Brand | Mansfield | | Color | Black | | Connector Type | Coupling | | Customer Reviews | 4.6 4.6 out of 5 stars (927) | | Date First Available | July 7, 2015 | | Exterior Finish | Black | | Is Discontinued By Manufacturer | No | | Item Weight | 0.01 ounces | | Item model number | 630-0204 | | Manufacturer | Mansfield | | Material | Multi | | Number of Pieces | 7 | | Package Dimensions | 4.45 x 3.9 x 1.85 inches | | Part Number | 630-0204 | | Set Name | Mansfield 2" SmartFasten Tank to Bowl Kit | | Size | 2 Inch | | Thread Size | 2 inch | | Thread Type | NPTF | | UPC | 040003110047 | ## Product Details - **Brand:** Mansfield - **Color:** Black - **Connector Type:** Coupling - **Exterior Finish:** Black - **Item Weight:** 0.01 Ounces - **Material:** Multi - **Number of Pieces:** 7 - **Size:** 2 Inch - **Thread Size:** 2 inch - **Thread Type:** NPTF ## Images ![630-0204 2" SmartFasten Tank to Bowl Kit (Black) - Image 1](https://m.media-amazon.com/images/I/61rMiF2+iFL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Much Better Than Generic Kits *by R***. on July 7, 2025* I tried generic, after market kits and they all leaked; inevitably costing me double the work. The key to this design is tightening each bolt down to make the seal. A few extra turns makes all the difference. Easy to install and works very well. Highly recommended. ### ⭐⭐⭐⭐⭐ Works well. *by T***E on November 24, 2025* Perfect fit. The attachment screws were different but work well. ### ⭐⭐⭐⭐⭐ Perfect fit, easy install. *by B***1 on December 7, 2025* OEM fit and quality made the job easier. No leaks at all. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/28966691-630-0204-2-smartfasten-tank-to-bowl-kit-black](https://www.desertcart.us/products/28966691-630-0204-2-smartfasten-tank-to-bowl-kit-black) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-20*