--- product_id: 48843996 title: "42137 | Adagio Cistern Discharge Valve" brand: "grohe" price: "€ 58.22" currency: EUR in_stock: true reviews_count: 13 category: "Grohe" url: https://www.desertcart.de/products/48843996-42137-adagio-cistern-discharge-valve store_origin: DE region: Germany --- # 4.54 L discharge capacity Easy single-button operation 1.9 cm pneumatic inlet 42137 | Adagio Cistern Discharge Valve **Brand:** grohe **Price:** € 58.22 **Availability:** ✅ In Stock ## Summary > 🚿 Flush like a pro with GROHE precision! ## Quick Answers - **What is this?** 42137 | Adagio Cistern Discharge Valve by grohe - **How much does it cost?** € 58.22 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/48843996-42137-adagio-cistern-discharge-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 - • **Robust Build Quality:** Crafted from durable iron brass with a polished chrome finish for lasting reliability and style. - • **Seamless Installation:** Designed as a genuine GROHE replacement part, it fits perfectly and swaps out in minutes—no plumber needed. - • **Optimized Flow Capacity:** Handles up to 4.54 liters per flush, ensuring efficient water use without compromise. - • **Trusted Brand Excellence:** Backed by GROHE’s German-engineered quality and a 4.6-star rating from over 200 satisfied professionals. - • **Precision Pneumatic Control:** Operate your cistern with a sleek single air push button for effortless flushing. ## Overview The GROHE 42137 Adagio Cistern Discharge Valve is a premium replacement valve featuring a 1.9 cm pneumatic inlet and a 4.54-liter discharge capacity. Made from iron brass with a chrome finish, it offers durable, easy single-button operation and quick installation. Trusted globally for quality and innovation, this valve ensures efficient, leak-free flushing backed by GROHE’s renowned engineering. ## Description From the manufacturer About Us GROHE is the world’s leading provider of sanitary fittings and a global brand, dedicated to providing innovative water products. For many decades, GROHE has been committed to the brand values of technology, quality, design and sustainability that all illustrate GROHE’s commitment to creating exceptional experiences and to delivering “Pure Freude an Wasser”. With its engineering, innovation and design activities firmly anchored in Germany, GROHE products bear the badge of quality “Made in Germany”, ultimately strengthening the customers’ confidence in the brand. GROHE 42137 | Adagio Cistern Discharge Valve GROHE Adagio Cistern Discharge Valve, GROHE has been committed to the brand values of technology, quality, design and sustainability that all illustrate GROHE’s commitment to creating exceptional experiences. Review: Great - Genuine Grohe part, very easy to swap out and stopped the cistern leaking into the bowl. Review: Simple .... it works - Great item simple to fit, cut it for length, does the job........ got to give it a 10/10 ## Features - Replacement valve for the Adagio cistern - Operated via a single air push pnuematic button ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00DREW5B8 | | Best Sellers Rank | 52,558 in DIY & Tools ( See Top 100 in DIY & Tools ) 53 in Toilet Tanks | | Brand | GROHE | | Country of Origin | China | | Customer Reviews | 4.6 out of 5 stars 229 Reviews | | Exterior Finish | Chrome | | Exterior finish | Chrome | | Inlet Connection Size | 1.9 Centimeters | | Inlet Connection Type | Pneumatic | | Inlet connection size | 1.9 Centimeters | | Inlet connection type | Pneumatic | | Item Dimensions | 10 x 10 x 45.4 centimetres | | Item Weight | 0.26 Kilograms | | Item dimensions L x W x H | 10 x 10 x 45.4 centimetres | | Manufacturer | Grohe | | Material | Iron Brass | | Maximum Pressure | 1 Bars | | Model Number | 42137000 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 12.7 Millimeters | | Outlet Connection Type | NPT | | Part Number | 42137000 | | Set Name | 1 | | Size | 4.54 liters | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | wc | | Thread Type | Non-threaded | | Unit Count | 1.0 count | | Valve Type | Servo Discharge Valve | ## Product Details - **Brand:** GROHE - **Exterior finish:** Chrome - **Inlet connection size:** 1.9 Centimeters - **Inlet connection type:** Pneumatic - **Item dimensions L x W x H:** 10 x 10 x 45.4 centimetres - **Material:** Iron Brass - **Maximum operating pressure:** 1 Bars - **Number of ports:** 2 - **Outlet connection size:** 12.7 Millimeters - **Outlet connection type:** NPT ## Images ![42137 | Adagio Cistern Discharge Valve - Image 1](https://m.media-amazon.com/images/I/41K8as2DKdL.jpg) ![42137 | Adagio Cistern Discharge Valve - Image 2](https://m.media-amazon.com/images/I/71+RrMtiuqL.jpg) ![42137 | Adagio Cistern Discharge Valve - Image 3](https://m.media-amazon.com/images/I/41ZTctYtXTL.jpg) ## Questions & Answers **Q: Can this replace the 270544 model** A: Don't know the part number of the old one. The toilet was fitted in 2000 if that helps. **Q: Please can you confirm if this product has a chrome finish or is it white plastic?** A: Hi, this item is an internal part for the cistern and is in a white plastic finish. Regards, LP Supplies ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great *by R***Y on 22 November 2024* Genuine Grohe part, very easy to swap out and stopped the cistern leaking into the bowl. ### ⭐⭐⭐⭐⭐ Simple .... it works *by P***. on 21 February 2024* Great item simple to fit, cut it for length, does the job........ got to give it a 10/10 ### ⭐⭐⭐⭐ Good Replacement Part *by K***L on 4 March 2018* Did the job and stopped the continual feed of water into the bowl (which caused periodic noise when it re-filled)! ## Frequently Bought Together - GROHE WC Cistern Servo Discharge Valve with Chrome Finish - GROHE 28143000 RelexaFlex 59" Metal Longlife Shower Hose, Starlight Chrome - GROHE 35601000 Rapido Smartbox Universal Rough-In Box, Starlight Chrome --- ## 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.de/products/48843996-42137-adagio-cistern-discharge-valve](https://www.desertcart.de/products/48843996-42137-adagio-cistern-discharge-valve) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-07-25*