--- product_id: 507033336 title: "Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326" brand: "diy part center" price: "3059766₫" currency: VND in_stock: false reviews_count: 5 category: "Diy Part Center" url: https://www.desertcart.vn/products/507033336-hot-tub-compatible-with-marquis-spas-waterfall-valve-insert-diy350 store_origin: VN region: Vietnam --- # Seamless waterfall control DIY easy install Precision 1-inch valve fit Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326 **Brand:** diy part center **Price:** 3059766₫ **Availability:** ❌ Out of Stock ## Summary > 💦 Keep your spa’s waterfall flowing flawlessly—don’t let a small part ruin your relaxation! ## Quick Answers - **What is this?** Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326 by diy part center - **How much does it cost?** 3059766₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/507033336-hot-tub-compatible-with-marquis-spas-waterfall-valve-insert-diy350) ## Best For - diy part center enthusiasts ## Why This Product - Trusted diy part center brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Prevent Costly Damage:** Replace worn or missing seals early to avoid pump and control board failures—protect your investment. - • **Trusted by Spa Owners:** Highly rated with 4.4 stars from 51 reviews, proven to restore your spa’s signature waterfall feature. - • **Compact & Durable Design:** Sturdy plastic construction with a sleek 1.31-inch height ensures long-lasting performance without bulk. - • **Effortless DIY Installation:** Simple swap-in part designed for quick, no-fuss replacement—get your spa waterfall flowing again fast. - • **Perfect Fit for Marquis Spas:** Engineered to match your spa’s 1-inch on/off neck and waterfall valve insert for flawless compatibility. ## Overview This Hot Tub Compatible Valve Insert (DIY350-6326) is a precision-engineered replacement part for Marquis Spas’ 1-inch on/off neck and waterfall valve. Made from durable plastic and measuring 1.31 inches tall, it ensures seamless waterfall control and prevents costly pump damage. Easy to install and highly rated by spa owners, it’s the essential fix to keep your spa experience uninterrupted. ## Description Hot Tub Compatible With Marquis Spa 1 Inch On/Off Neck And Waterfall Valve Insert. 350-6326 Review: This is the part that broke probably causing my pump and control board to fail. The rubber seal from this was missing and most likely stuck in the impeller causing overheating. If your waterfall won’t turn off I suggest replacing this part sooner than later. Review: Fit my 2020 Catalina Nantucket spa waterfall feature perfectly. ## Features - You will receive 1 item - For Marquis Spas 1 Inch On/Off Neck and Waterfall Valve Insert - 350-6326 - 3 1/2 inches tall - Please check original part and compare with the pictures given to make sure you are ordering the correct item. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BG4DB8QW | | Customer Reviews | 4.4 4.4 out of 5 stars (51) | | Date First Available | 23 January 2023 | | Item display height | 1.31 inches | | Item display length | 3.5 inches | | Item display weight | 170 g | | Item display width | 1.31 inches | | Item model number | DIY350-6326 | | Manufacturer | DIY Part Center | | Material type | Plastic | | Part number | 350-6326 | | Product Dimensions | 8.89 x 3.3 x 8.89 cm; 41 g | ## Product Details - **Brand:** Diy Part Center - **Colour:** white - **Material:** Plastic - **Product dimensions:** 25L x 25W x 76H millimeters - **Shape:** Round ## Images ![Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326 - Image 1](https://m.media-amazon.com/images/I/51qLZYgHrlL.jpg) ![Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326 - Image 2](https://m.media-amazon.com/images/I/61lJknqmNoL.jpg) ![Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326 - Image 3](https://m.media-amazon.com/images/I/41VP4pSMTEL.jpg) ![Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326 - Image 4](https://m.media-amazon.com/images/I/61ltO4M0-bL.jpg) ![Hot Tub Compatible with Marquis Spas Waterfall Valve Insert DIY350-6326 - Image 5](https://m.media-amazon.com/images/I/51VB5vkxFqL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***A on 19 May 2025* This is the part that broke probably causing my pump and control board to fail. The rubber seal from this was missing and most likely stuck in the impeller causing overheating. If your waterfall won’t turn off I suggest replacing this part sooner than later. ### ⭐⭐⭐⭐⭐ Review *by J***I on 11 November 2025* Fit my 2020 Catalina Nantucket spa waterfall feature perfectly. ### ⭐⭐⭐⭐⭐ Review *by B***B on 3 March 2026* I found this doing a search for a replacement fountain control valve. It was easy to use and it even came with a small tube of silicon grease to lubricate the cartridge. VEry good price vs the OEM units ## Frequently Bought Together - Hot Tub 1-Inch ON/Off Neck and Waterfall Valve Insert with O-Rings Compatible with Marquis Spas DIY350-6326 - Waterway Plastics 711-4050 Ribbed O-ring/Gasket used on 1½" Spa Heaters and Pump Unions - Hot Tub Classic parts Hot Tub 1 Inch On/Off Neck and Waterfall Valve Insert Compatible with Most Marquis Spa 350-6326, Pack of 2 --- ## 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.vn/products/507033336-hot-tub-compatible-with-marquis-spas-waterfall-valve-insert-diy350](https://www.desertcart.vn/products/507033336-hot-tub-compatible-with-marquis-spas-waterfall-valve-insert-diy350) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-04-26*