---
product_id: 48843996
title: "GROHE 42137 | Adagio Cistern Discharge Valve"
brand: "grohe"
price: "15.54 OMR"
currency: OMR
in_stock: false
reviews_count: 13
url: https://www.desertcart.com.om/products/48843996-grohe-42137-adagio-cistern-discharge-valve
store_origin: OM
region: Oman
---

# Reliable leak-proof pneumatic valve Easy DIY installation & adjustable length Precision-engineered iron brass build GROHE 42137 | Adagio Cistern Discharge Valve

**Brand:** grohe
**Price:** 15.54 OMR
**Availability:** ❌ Out of Stock

## Summary

> 🚿 Upgrade your flush game with GROHE precision!

## Quick Answers

- **What is this?** GROHE 42137 | Adagio Cistern Discharge Valve by grohe
- **How much does it cost?** 15.54 OMR with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/48843996-grohe-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

- • **Trusted Quality:** Genuine GROHE part with top-rated customer satisfaction
- • **DIY Friendly Fit:** Simple to install and customize length for perfect fit
- • **Leak-Free Performance:** Engineered to stop cistern leaks and maintain optimal pressure
- • **Effortless Flush Control:** Single air push pneumatic button for smooth operation
- • **Durable Premium Materials:** Crafted from robust iron brass with a sleek chrome finish

## Overview

The GROHE 42137 Adagio Cistern Discharge Valve is a high-quality replacement valve designed for effortless, leak-free flushing. Featuring a durable iron brass construction with a chrome finish, it operates via a single air push pneumatic button for smooth, reliable performance. Easy to install and customize, this genuine GROHE part ensures lasting durability and optimal cistern function.

## Description

Free delivery and returns on all eligible orders. Shop GROHE 42137 | Adagio Cistern Discharge Valve.

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 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 42,583 in DIY & Tools ( See Top 100 in DIY & Tools ) 65 in Toilet Tanks |
| Certification | wc |
| Colour | Grau |
| Customer Reviews | 4.6 4.6 out of 5 stars (218) |
| Date First Available | 3 July 2013 |
| Finish | Chrome |
| Item Package Quantity | 1 |
| Item Weight | 260 g |
| Item model number | 42137000 |
| Manufacturer | Grohe |
| Material | Iron Brass |
| Maximum Pressure | 1 Bars |
| Part Number | 42137000 |
| Product Dimensions | 10 x 10 x 45.4 cm; 260 g |
| Size | 4.54 liters |

## Product Details

- **Brand:** GROHE
- **Exterior finish:** Chrome
- **Inlet connection size:** 1.9 Centimeters
- **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
- **Specification met:** wc

## Images

![GROHE 42137 | Adagio Cistern Discharge Valve - Image 1](https://m.media-amazon.com/images/I/21A4qnDaMKL.jpg)
![GROHE 42137 | Adagio Cistern Discharge Valve - Image 2](https://m.media-amazon.com/images/I/31qgBtgHalL.jpg)
![GROHE 42137 | Adagio Cistern Discharge Valve - Image 3](https://m.media-amazon.com/images/I/41K8as2DKdL.jpg)
![GROHE 42137 | Adagio Cistern Discharge Valve - Image 4](https://m.media-amazon.com/images/I/41ZTctYtXTL.jpg)
![GROHE 42137 | Adagio Cistern Discharge Valve - Image 5](https://m.media-amazon.com/images/I/71+RrMtiuqL.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

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**Shop now:** [https://www.desertcart.com.om/products/48843996-grohe-42137-adagio-cistern-discharge-valve](https://www.desertcart.com.om/products/48843996-grohe-42137-adagio-cistern-discharge-valve)

---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-23*