---
product_id: 178767284
title: "Opella Toilet Delchem Cistern Bottom Entry Filling Valve Adjustable Arm 1/2\" with Float Plastic Float Valve"
brand: "opella"
price: "¥8227"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/178767284-opella-toilet-delchem-cistern-bottom-entry-filling-valve-adjustable-arm
store_origin: JP
region: Japan
---

# Standard 15mm BSP threaded connection Adjustable float arm for versatile fit Durable ribbed plastic float resists dents Opella Toilet Delchem Cistern Bottom Entry Filling Valve Adjustable Arm 1/2" with Float Plastic Float Valve

**Brand:** opella
**Price:** ¥8227
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your flush game with precision and durability!

## Quick Answers

- **What is this?** Opella Toilet Delchem Cistern Bottom Entry Filling Valve Adjustable Arm 1/2" with Float Plastic Float Valve by opella
- **How much does it cost?** ¥8227 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/178767284-opella-toilet-delchem-cistern-bottom-entry-filling-valve-adjustable-arm)

## Best For

- opella enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Ribbed, strong plastic float resists dents and wear, maintaining reliable performance over time.
- • **Top-Rated Reliability:** Trusted by thousands with a 4.4-star rating, making it a go-to choice for professional-grade plumbing.
- • **Custom Fit, Every Time:** Adjustable float arm adapts seamlessly to diverse cistern sizes, ensuring perfect water level control.
- • **Universal Compatibility:** Standard 15mm (1/2") BSP threaded inlet fits most plumbing setups without hassle.
- • **Premium Brass Thread Insert:** Enhanced durability and leak resistance where it counts, for a worry-free installation.

## Overview

The Opella Delchem Bottom Entry Filling Valve features an adjustable float arm compatible with a wide range of cisterns, a standard 15mm BSP threaded connection for easy installation, and a robust 4.5-inch ribbed plastic float designed to resist dents. Enhanced with a brass thread insert, this valve combines durability and reliability, making it a top-rated choice for efficient toilet water management.

## Description

Bottom entry toilet inlet kit with float Toilet Inlet Valve: Adjustable length float arm for a wide range of cisterns Standard 15mm / 1/2" BSP water connection thread Ball Float: 4.5 Inches round Strong plastic construction Ribbed so it cannot be dented easily Brass thread insert to float valve arm

## Features

- Bottom entry toilet inlet kit with float Toilet Inlet Valve:
- Adjustable length float arm for a wide range of cisterns
- Standard 15mm / 1/2" BSP water connection thread
- Ball Float: 4.5 Inches round Strong plastic construction

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B07V8D4P11 |
| Best Sellers Rank | 1,789 in Business, Industry & Science (See Top 100 in Business, Industry & Science) 3 in Float Valves |
| Brand | Opella |
| Connector Type | Threaded |
| Customer Reviews | 4.4 4.4 out of 5 stars (702) 4.4 out of 5 stars |
| Exterior Finish | Brass |
| Inlet Connection Size | 15 Millimeters |
| Inlet Connection Type | BSPT |
| Manufacturer | Opella |
| Material | Plastic |
| Model Number | Delchem |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 1 |
| Number Of Ports | 1 |
| Outlet Connection Size | 15 Centimeters |
| Outlet Connection Type | BSPT |
| Set Name | No Set |
| Size | 1/2" |
| Specification Met | General Valve Stands |
| Thread Size | 15 mm |
| Thread Type | BSP |
| Unit Count | 1.0 count |
| Valve Type | Float Valve |

## Product Details

- **Brand:** Opella
- **Exterior finish:** Brass
- **Inlet connection size:** 15 Millimeters
- **Inlet connection type:** BSPT
- **Material:** Plastic
- **Number of Packs:** 1
- **Number of ports:** 1
- **Outlet connection size:** 15 Centimeters
- **Outlet connection type:** BSPT
- **Specification met:** General Valve Stands

## Images

![Opella Toilet Delchem Cistern Bottom Entry Filling Valve Adjustable Arm 1/2" with Float Plastic Float Valve - Image 1](https://m.media-amazon.com/images/I/61SMpACKfpL.jpg)

## Questions & Answers

**Q: What’s the height of this product?**
A: The total height of this product is 29 cms, which is from the beginning of the screw thread at the bottom to the top of the inlet pipe.
When installed, the height from the rubber washer to the top is 25 cms. Hope this helpful. Regards.

**Q: Is this all that is needed to replace the broken kit that is currently in my cistern ?**
A: This is the complete entry filling valve with float. This should be all you need if your problem relates to filling the cistern. The only other thing you might need is a fibre washer or rubber seal where the external water feed connects to the plastic filling valve.

**Q: What is the external dimension of the screw thread at the bottom where it tightens to the cistern. Also can the ball float be angled inwards**
A: 1/2" thread and yes ball can be freely angled to suit

**Q: My tank fed water has no shutoff valve. Was just going to change the dripping top part, turning on taps to reduce flow, any comments if a good idea?**
A: HI ALAN, THESE IDEAS MAY HELP..
1--- AS IT IS TANK FED, THERE SHOULD BE A STOP COCK, PROBABLY IN THE LOFT, IN THE PIPE FROM THE BOTTOM OF THE TANK. IF NOT, OR IF STUCK, TRY A CORK IN THE OUT PIPE FROM THE TANK, PUT INTO THE PIPE FROM INSIDE THE TANK UNDER WATER, OR SOMETHING ELSE TO PLUG IF NO CORK THE RIGHT SIZE.
2--- IF IT IS THE WASHER FAILED IN THE TOP OF THE VALVE, YOU MAY BE ABLE TO REDUCE PRESSURE BY TURNING ON ALL COLD TAPS, AND CHANGE JUST THE DIAPHRAGM. A BIT MESSY, BUT I HAVE DONE THIS IN THE PAST.
3---YOU COULD ALSO TURN OFF THE TAP IN THE ROAD, IF YOU HAVE ONE, THERE SHOULD BE A QUARTER TURN TAP ON THE WATER METER IF YOU HAVE ONE. THEN DRAIN DOWN THE LOFT TANK. IF UNABLE TO TURN OFF AT THE MAINS, TIE UP THE TANK BALLCOCK, THEN DRAIN DOWN.
FOR FUTURE EASE, I GOT A QUARTER TURN TAP FROM AMAZON FOR ABOUT £8.00, AND PUT IT INTO THE CYSTERN SUPPLY PIPE  WHILE THE WATER WAS OFF.
  hOPE ONE OF THESE METHODS HELPS.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works
*by  on Reviewed in the United Kingdom 25 August 2026*

Done the job easy to fit

### ⭐⭐⭐⭐ Cheap and cheerful
*by  on Reviewed in the United Kingdom 6 August 2023*

Did the job and replaced the one I had had in place for the last 2 years. I wouldn't say this is a top notch product but it's good enough and worked fine. The only complaint I have is that it's delievere pre-assembled and the little pins used to set the arm are a pain in the backside to remove without breaking. Simple tip, boil a kettle and dunk the arm into the water for 2 mins and it will soften the pins enough to remove them without them breaking. I also had to undo the big valve ring, put in some PTFE tape to seal it as it did leak a little and it was sort, no major biggie as it was only a cheap replacement.

### ⭐⭐⭐⭐⭐ Toilet delchen
*by  on Reviewed in the United Kingdom 8 August 2026*

Good quality

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-25*