---
product_id: 675091223
title: "HTSBoiler Diaphragm - Fits Biasi, Glowworm, Saunier Duval, Ideal, Baxi Potterton Main (S801191 / 801191/075421 / 248619 / BI1011103)"
brand: "hts"
price: "R205"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/675091223-htsboiler-diaphragm-fits-biasi-glowworm-saunier-duval-ideal-baxi-potterton
store_origin: ZA
region: South Africa
---

# Multiple Part Numbers Broad Compatibility Durable & Reliable HTSBoiler Diaphragm - Fits Biasi, Glowworm, Saunier Duval, Ideal, Baxi Potterton Main (S801191 / 801191/075421 / 248619 / BI1011103)

**Brand:** hts
**Price:** R205
**Availability:** ✅ In Stock

## Summary

> 🔥 Upgrade Your Heating Game!

## Quick Answers

- **What is this?** HTSBoiler Diaphragm - Fits Biasi, Glowworm, Saunier Duval, Ideal, Baxi Potterton Main (S801191 / 801191/075421 / 248619 / BI1011103) by hts
- **How much does it cost?** R205 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/675091223-htsboiler-diaphragm-fits-biasi-glowworm-saunier-duval-ideal-baxi-potterton)

## Best For

- hts enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from high-quality materials for enduring performance.
- • **Peace of Mind:** Includes a 12-month warranty for worry-free operation.
- • **Efficiency Booster:** Regulates water pressure for optimal heating efficiency.
- • **Seamless Integration:** Fits a variety of boiler brands effortlessly.
- • **Versatile Replacement:** Compatible with multiple part numbers for hassle-free upgrades.

## Overview

The HTSBoiler Diaphragm is a high-quality replacement part designed to fit various boiler brands, including Biasi, Glowworm, Saunier Duval, Ideal, and Baxi Potterton Main. With compatibility for multiple part numbers and a focus on durability, this diaphragm ensures efficient heating and reliable performance, backed by a 12-month warranty.

## Description

HTSBoiler Diaphragm - Fits Biasi, Glowworm, Saunier Duval, Ideal, Baxi Potterton Main (S801191 / 801191/075421 / 248619 / BI1011103)

## Features

- Broad Compatibility: Fits a variety of boiler brands, including Biasi, Glowworm, Saunier Duval, Ideal, and Baxi Potterton Main.
- Multiple Part Number Compatibility: Replaces part numbers S801191, 801191, 075421, 248619, and BI1011103 for a seamless fit across various models.
- Durable and Reliable: Manufactured from high-quality materials to withstand the demands of everyday use, providing long-lasting and consistent performance.
- Maintains Efficiency: Helps regulate water pressure and flow within your boiler, ensuring efficient heating and preventing faults caused by diaphragm wear or failure.
- 12-Month Warranty: Comes with a 12-month warranty, ensuring peace of mind and long-term reliability for your heating system.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HTS |
| Part Number | S801191 801191 075421 248619 BI1011103 |
| Product Dimensions | 10 x 10 x 10 cm |
| Item model number | Boiler Diaphragm |
| Colour | Multicolour |
| Item Package Quantity | 1 |
| Included Components | Accessories if provided |

## Images

![HTSBoiler Diaphragm - Fits Biasi, Glowworm, Saunier Duval, Ideal, Baxi Potterton Main (S801191 / 801191/075421 / 248619 / BI1011103) - Image 1](https://m.media-amazon.com/images/I/51DAmM1tEgL.jpg)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-20*