--- product_id: 49281496 title: "GROHE 4373300 | Membrane Inlet Valve" brand: "grohe" price: "€ 15.79" currency: EUR in_stock: true reviews_count: 13 category: "Grohe" url: https://www.desertcart.gr/products/49281496-grohe-4373300-membrane-inlet-valve store_origin: GR region: Greece --- # Easy direct replacement fit Precision 3.5cm threaded inlet/outlet Made in Germany quality GROHE 4373300 | Membrane Inlet Valve **Brand:** grohe **Price:** € 15.79 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your water system with precision-made GROHE reliability! ## Quick Answers - **What is this?** GROHE 4373300 | Membrane Inlet Valve by grohe - **How much does it cost?** € 15.79 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/49281496-grohe-4373300-membrane-inlet-valve) ## Best For - grohe enthusiasts ## Why This Product - Trusted grohe brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Performance:** Backed by thousands of 4.2-star reviews praising flawless first-time operation. - • **Precision Engineering:** 3.5 cm threaded inlet and outlet connections for secure, leak-free installation. - • **Effortless Maintenance:** Straight swap design lets you replace your valve quickly without hassle or tools. - • **Seamless Compatibility:** Designed exclusively for GROHE inlet valves ensuring a perfect fit every time. - • **Durable German Craftsmanship:** Manufactured in Germany with premium rubber materials for long-lasting reliability. ## Overview The GROHE 4373300 Membrane Inlet Valve is a high-quality, German-engineered replacement valve designed exclusively for GROHE inlet systems. Featuring 3.5 cm threaded solvent inlet and FIP outlet connections, it ensures a perfect, leak-proof fit. Crafted from durable rubber and finished in sleek StarLight Chrome, this valve offers easy installation and dependable performance, making it the go-to choice for seamless bathroom and kitchen water system maintenance. ## Description From the manufacturer Discover GROHE Our Foundations Quality From the first design sketch to the final product to after-sales services: Our customers can rely on our Made in Germany sense of perfectionism. Technology We constantly drive innovation to enrich your everyday water experience, delivering smart solutions on the path of the digitization of water. Design Our highly awarded design recipe is simple: Merging the contemporary & the timeless into products that feel like they were designed just for you. Sustainability Water is our passion and we strive to protect all of our planet's resources for future generations. Build Your Dream Bathroom & Kitchen with GROHE GROHE's combination of design excellence, advanced technology, quality materials, and a commitment to sustainability makes it a preferred choice for many when it comes to bathroom and kitchen fixtures. Shower Systems Create the shower of your dreams with GROHE's premium systems. Basin Mixers Save water and energy with GROHE Basin Mixers. Toilets, Flushing Systems & Flush Plates Design your perfect toilet with GROHE Flushing Systems. Kitchen Mixers Upgrade your kitchen with GROHE Kitchen Mixers. Water Systems Get filtered or kettle-hot water straight from your kitchen tap. Renovate your home with GROHE products Start Cube Robe Hook Start Pull Out Mixer Tap Solido Euro Ceramic WC Start Tap with Waste Set Get Professional Blue Pure StartCurve K400 Quartz Composite GROHE Fizz Advanced GROHE CO2 425g Bottle SmartControl 310 Duo Thermostatic Shower Set Thermostatic ShowerSystem Hand Shower Multifunctional Colander GROHE Shaping the Future of Water Review: Straight easy swap for old valve - Straight swap for broken valve, super easy and perfect fit. Worked first time with no issues. Review: Perfect fit - Perfect fit for the Grohe cistern as expected. ## Features - Suitable only for GROHE inlet valves - Red/Clear ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0031ZT0CU | | Best Sellers Rank | 244,294 in DIY & Tools ( See Top 100 in DIY & Tools ) 297 in Tap & Valve Washers | | Brand | GROHE | | Connector Type | Threaded | | Country of Origin | Germany | | Customer Reviews | 4.2 out of 5 stars 744 Reviews | | Exterior Finish | StarLight Chrome | | Exterior finish | StarLight Chrome | | Global Trade Identification Number | 04005176158926 | | Included Components | 1 x Grohe Adagio Inlet Float Valve Diaphragm Washer 4375800M | | Inlet Connection Size | 3.5 Centimeters | | Inlet Connection Type | Solvent | | Inlet connection size | 3.5 Centimeters | | Inlet connection type | Solvent | | Item Dimensions | 40 x 35 x 20 millimetres | | Item Type Name | Adagio Inlet Float Valve Diaphragm Washer 4375800M | | Item dimensions L x W x H | 40 x 35 x 20 millimetres | | Manufacturer | Grohe UK Ltd (EUR account) | | Manufacturer Warranty Description | Not applicable. | | Material | Rubber | | Model Number | 43733000 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 3.5 Centimeters | | Outlet Connection Type | FIP | | Part Number | 43733000 | | Size | 28 cubic centimeters | | Specification Met | CSA, ULC | | Thread Size | 3.5 centimeters | | Thread Type | NPT | | Unit Count | 1.0 count | | Valve Type | Globe Valve | ## Product Details - **Brand:** GROHE - **Exterior finish:** StarLight Chrome - **Inlet connection size:** 3.5 Centimeters - **Inlet connection type:** FIP - **Item dimensions L x W x H:** 40 x 35 x 20 millimetres - **Material:** Rubber - **Number of ports:** 2 - **Outlet connection size:** 3.5 Centimeters - **Outlet connection type:** NPT - **Specification met:** CSA, ULC ## Images ![GROHE 4373300 | Membrane Inlet Valve - Image 1](https://m.media-amazon.com/images/I/511DBKriEzL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Straight easy swap for old valve *by J***P on 13 April 2026* Straight swap for broken valve, super easy and perfect fit. Worked first time with no issues. ### ⭐⭐⭐⭐⭐ Perfect fit *by R***H on 13 April 2026* Perfect fit for the Grohe cistern as expected. ### ⭐⭐⭐⭐⭐ Perfect fit *by A***E on 12 October 2025* Old one was broken so I replaced with this one. It fixed the leak. Great ## Frequently Bought Together - GROHE 4373300 | Membrane Inlet Valve - Grohe 47050000 1/2-Inch Thermo-Element - Grohe 47111000 1/2″ Thermo-element Cartridge, Unfinished --- ## 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.gr/products/49281496-grohe-4373300-membrane-inlet-valve](https://www.desertcart.gr/products/49281496-grohe-4373300-membrane-inlet-valve) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-15*