---
product_id: 49614745
title: "Compact Dual Flush Adjustable Toilet Syphon – Cistern Siphon with Adjustable Height & Flush, Universal 1.5\" Base Bottom Outlet, WC Cistern Replacement, DIY Fit – WRAS, UPC, CE Approved"
brand: "housler"
price: "380 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Housler"
url: https://www.desertcart.dk/products/49614745-compact-dual-flush-adjustable-toilet-syphon-cistern-siphon-with-adjustable
store_origin: DK
region: Denmark
---

# Water-saving dual flush Universal 1.5" base fit Adjustable height & flush Compact Dual Flush Adjustable Toilet Syphon – Cistern Siphon with Adjustable Height & Flush, Universal 1.5" Base Bottom Outlet, WC Cistern Replacement, DIY Fit – WRAS, UPC, CE Approved

**Brand:** housler
**Price:** 380 kr
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your flush game with precision and style!

## Quick Answers

- **What is this?** Compact Dual Flush Adjustable Toilet Syphon – Cistern Siphon with Adjustable Height & Flush, Universal 1.5" Base Bottom Outlet, WC Cistern Replacement, DIY Fit – WRAS, UPC, CE Approved by housler
- **How much does it cost?** 380 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/49614745-compact-dual-flush-adjustable-toilet-syphon-cistern-siphon-with-adjustable)

## Best For

- housler enthusiasts

## Why This Product

- Trusted housler brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless DIY Upgrade:** Simple installation with expert tips ensures smooth, hassle-free fitting
- • **Seamless Compatibility:** Universal 1.5" base outlet fits most standard cisterns effortlessly
- • **Tailored Flush Control:** Adjust height & flush volume for perfect water efficiency
- • **Durability Meets Design:** High-quality materials with leak-proof silicone seal for long-lasting reliability
- • **Certified Quality Assurance:** WRAS, UPC, and CE approvals guarantee trusted performance and compliance

## Overview

The HOUSLER Compact Dual Flush Adjustable Toilet Syphon is a WRAS, UPC, and CE-approved plumbing upgrade designed for universal fit with a 1.5" base outlet. Featuring adjustable height and flush settings, it ensures efficient water use and reliable performance. Its compact, durable construction with a silicone seal prevents leaks, making it an ideal replacement for older cistern mechanisms. Easy to install with expert guidance, it delivers consistent, customizable flushing for modern bathrooms.

## Description

Upgrade Your Toilet with the Housler Compact Dual Flush Adjustable Toilet Syphon – Reliable, Efficient, and WRAS ApprovedEnsure a smooth and efficient flush every time with the Housler Compact Dual Flush Adjustable Toilet Syphon. Designed for universal compatibility, this high-quality syphon features an adjustable height and flush settings to fit most standard cisterns. With a 1.5" base outlet and a compact design, it serves as an ideal replacement for older or faulty cistern mechanisms, ensuring consistent and water-saving performance.Key Features:Adjustable Design: Features adjustable height and flush settings to accommodate most standard toilet cisterns. WRAS-approved for quality, reliability, and efficient water conservation.Universal Fit: Designed with a 1.5" base outlet for compatibility with most standard toilet systems. Its compact size makes it a perfect replacement for older syphon mechanisms.Simple Installation: Before fitting, ensure the metal hook moves freely for smooth operation. Proper adjustment of the lever arm is essential for effective flushing performance.Durable Mechanism: Constructed with high-quality materials and a durable silicone seal to prevent leaks. Provides long-lasting and dependable flush operation.Optimised Functionality: Engineered to deliver consistent performance when installed correctly. Adjustable flush settings allow you to customise water usage to suit your needs. Installation Tips for Optimal Performance:Pre-Installation Check: Before fitting, pull the metal hook upward to ensure it moves freely. When released, it should return smoothly to its original position – this confirms the mechanism is functioning correctly.Lever Arm Adjustment: During installation, carefully adjust the lever arm length to align with your cistern’s flush handle. A precise connection ensures smooth flushing action.Test Before Finalizing: After adjustment, perform a test flush to verify functionality. If flushing feels stiff or incomplete, revisit the lever arm alignment – minor tweaks often resolve issues. This syphon provides a straightforward solution for replacing older or faulty cistern mechanisms. Its compact, durable design ensures consistent performance with proper installation, making it an excellent choice for bathroom upgrades.Upgrade your toilet today with the Housler Compact Dual Flush Adjustable Toilet Syphon for a reliable, leak-free, and efficient flushing experience!

Review: Toilet Siphon - Fitted easy, worked perfectly
Review: Brilliant and easy to install ( according to hubby!) - Fixed our toilet that wasn’t flushing. Brilliant product.

## Features

- Adjustable Design: Features adjustable height and flush settings to fit most standard cisterns. WRAS-approved for quality and reliability, ensuring efficient water-saving performance.
- Universal Fit: Designed with a 1.5" base outlet to fit most standard toilet systems. The syphon’s compact size makes it an ideal replacement for older or faulty cistern mechanisms.
- Simple Installation: Before fitting, ensure the metal hook moves freely and smoothly. Proper adjustment of the lever arm is essential for smooth and effective flushing performance.
- Durable Mechanism: Built with high-quality materials and a durable silicone seal to prevent leaks. Ensures consistent and dependable flush operation over time.
- Optimised Functionality: Designed to deliver consistent performance when installed correctly. Adjustable flush settings allow you to customise water usage as needed.
- This is a very simple mechanism product and reliable. Trick is fitting and adjusting the lever arm which so easy for experienced plumber.
- if you need help please feel Free to e-mail us. We are expert of bathrooms and plumbing products and fitting. Happy to help
- Plastic Arm lever attached to Toilet Flush Handle must be adjusted when connected to the Syphon's metal hook in order to Flush properly
- Please make sure you adjust the WC lever plastic lif arm and cennect it to the FLush. If you can't flush it easy that means you have not adjusted the lift arm and arm not pulling the syphon up to release the water
- Height is 24.3cm, Width is 19.5cm and edpth is 8cm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01CVYRMGC |
| Best Sellers Rank | 124,139 in DIY & Tools ( See Top 100 in DIY & Tools ) 292 in Toilet Tanks |
| Brand | HOUSLER |
| Customer Reviews | 4.3 4.3 out of 5 stars (379) |
| Date First Available | 12 Mar. 2016 |
| Item Weight | 250 g |
| Package Dimensions | 33.5 x 25 x 11 cm; 250 g |

## Product Details

- **Brand:** HOUSLER
- **Inlet connection size:** 1.5 Inches
- **Inlet connection type:** Compression
- **Manufacturer:** Housler
- **Number of ports:** 2
- **Outlet connection size:** 1.5 Inches
- **Outlet connection type:** Compression
- **Specification met:** CE, UPC
- **UPC:** 683247287368

## Images

![Compact Dual Flush Adjustable Toilet Syphon – Cistern Siphon with Adjustable Height & Flush, Universal 1.5" Base Bottom Outlet, WC Cistern Replacement, DIY Fit – WRAS, UPC, CE Approved - Image 1](https://m.media-amazon.com/images/I/61Qfq+9-RQL.jpg)

## Questions & Answers

**Q: Does this flush system have automatic overflow down toilet? My old fashioned on needed overflow through wall!**
A: Yes it has internal built in overflow . You do not need a over flow pipe through the wall. Regards

**Q: The unit you sent today only has one of the plugs for water level adjustment, i think i need two. shall i send the whole thing back?**
A: only one plug in enough but factory attaches 2 normally.   you should be ok with 1 plug 

regards

**Q: What size outlet. (1 !/2" BSP?)**
A: 1.5 inch   if you have the similar looking product all them them 1.5 inch. if you have the new flushes with push button they are 2 inch
 regards

**Q: Can you please tell me the measurements as we have a smaller than usual cistern, thank you!**
A: Height is 253mm.     and width is around 215   Depth is 123mm

## Customer Reviews

### ⭐⭐⭐⭐⭐ Toilet Siphon
*by A***R on 14 September 2025*

Fitted easy, worked perfectly

### ⭐⭐⭐⭐⭐ Brilliant and easy to install ( according to hubby!)
*by M***A on 11 February 2024*

Fixed our toilet that wasn’t flushing. Brilliant product.

### ⭐⭐⭐⭐ It's ok but not brilliant.
*by G***. on 10 April 2023*

Had to be careful lining up the outlet in the cistern as this is a bit smaller than it needs to be (old Twyford cisterns have a larger hole than this is meant to fit) and it leaked the first time I tightened the nut. I realigned it and it was fine. I also had to buy a new pipe to the bowl as the modern ones seem to be 38mm whereas mine was 40mm. So, on to the flush, the hook which connects to the lever is at 90 degrees to what it need to be and as you can't seem to rotate it I had to use a metal ring to connect the two and due to the resulting extra length I have to move the lever a full 90 degrees before the plunger moves the water to the top of the syphon making it flush. It's not a bad piece of kit, the dual flush system is a good idea and easy to change. As for sturdiness, it's ok. Would I buy another ? Probably not.

## Frequently Bought Together

- HOUSLER Compact Dual Flush Adjustable Toilet Syphon – Cistern Siphon with Adjustable Height & Flush, Universal 1.5" Base Bottom Outlet, WC Cistern Replacement, DIY Fit – WRAS, UPC, CE Approved
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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-30*