---
product_id: 505210367
title: "Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear"
brand: "sentinel"
price: "€ 161.90"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/505210367-sentinel-x100l-12x1l-gb-x100-inhibitor-1ltr-clear
store_origin: SK
region: Slovakia
---

# Maximizes system efficiency & reduces fuel use pH neutral for safe, long-lasting protection Industry-standard corrosion & limescale defense Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear

**Brand:** sentinel
**Price:** € 161.90
**Availability:** ✅ In Stock

## Summary

> 🛠️ Protect your heat, save your wallet — Sentinel X100 keeps your system flawless!

## Quick Answers

- **What is this?** Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear by sentinel
- **How much does it cost?** € 161.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/505210367-sentinel-x100l-12x1l-gb-x100-inhibitor-1ltr-clear)

## Best For

- sentinel enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Action Defense:** Heavy-duty inhibitor that battles both limescale and corrosion simultaneously
- • **Safe & Balanced Formula:** pH neutral to protect your system without harsh chemicals or damage
- • **Universal Compatibility:** Perfect for all indirect central heating systems—versatility meets performance
- • **Trusted by Top Boiler Brands:** Recommended by all major manufacturers for unbeatable system protection
- • **Fuel-Saving Efficiency Booster:** Extends system life while minimizing energy consumption and costs

## Overview

Sentinel X100L-12X1L-GB is a 1-liter, clear, heavy-duty inhibitor designed to protect clean central heating systems from limescale and corrosion. Recommended by all major boiler manufacturers, it extends system lifespan, optimizes efficiency, and reduces fuel consumption with a safe, pH neutral formula suitable for all indirect heating setups.

## Description

Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear

## Features

- The industry standard inhibitor, providing protection for clean central heating systems against limescale and corrosion; recommended by all major boiler manufacturers
- Heavy duty inhibitor which protects against limescale and corrosion
- Sentinel X100 Inhibitor will extend the life of the system, ensuring maximum efficiency and minimising fuel usage
- Ensures optimum system efficiency
- pH neutral formulation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Sentinel |
| Product Dimensions | 3.81"W x 8.27"H |
| Special Feature | Wide range of applications and double corrosion and limescale protection |
| Color | Clear |
| Efficiency | A |
| Mounting Type | Wall |
| Is Electric | Yes |
| Manufacturer | Sentinel |
| UPC | 798256160639 |
| Global Trade Identification Number | 05016402052719 |
| Part Number | 389100 |
| Item Weight | 2.46 pounds |
| Item model number | X100L-12X1L-GB |
| Is Discontinued By Manufacturer | No |
| Size | 1Ltr |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Special Features | Wide range of applications and double corrosion and limescale protection |
| Included Components | Sentinel X100 Inhibitor 1L X100L-12X1L-GB |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Sentinel
- **Product Dimensions:** 3.81"W x 8.27"H
- **Special Feature:** Wide range of applications and double corrosion and limescale protection
- **Color:** Clear
- **Efficiency:** A

## Images

![Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear - Image 1](https://m.media-amazon.com/images/I/710HAu9DhiL.jpg)
![Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear - Image 2](https://m.media-amazon.com/images/I/71TH1mbLm0L.jpg)
![Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear - Image 3](https://m.media-amazon.com/images/I/61viNUNQFKL.jpg)
![Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear - Image 4](https://m.media-amazon.com/images/I/61MFl8YWsCL.jpg)
![Sentinel X100L-12X1L-GB X100 Inhibitor, 1Ltr, Clear - Image 5](https://m.media-amazon.com/images/I/31T2iO6+NVL.jpg)

## Frequently Bought Together

- Sentinel - X100 Inhibitor 1L, Market Leading Heavy Duty Central Heating Inhibitor, Protection Against Corrosion and limescale, ensures Maximum Heating Efficiency and extends System Life, Clear (88000)
- Sentinel - X800 Fast Acting Cleaner 1L, targeted central heating system cleaning inside an hour, restores system efficiency by targeting corrosion debris, ideal for hot and cold systems
- QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System

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**Shop now:** [https://www.desertcart.sk/products/505210367-sentinel-x100l-12x1l-gb-x100-inhibitor-1ltr-clear](https://www.desertcart.sk/products/505210367-sentinel-x100l-12x1l-gb-x100-inhibitor-1ltr-clear)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-05*