Quick answer
Heating inhibitor helps protect a compatible central heating system from internal corrosion and scale. Test the concentration during routine servicing and re-dose when required by the product instructions or after water loss. Do not assume every system needs another bottle each year.
Introduction
There are several ways to add inhibitor—but which is best?
Method 1: Dosing Funnel (Best Overall)
- Easy
- Cheap
- DIY-friendly
Method 2: Injector Kit
- Faster
- More precise
- More expensive
Method 3: Magnetic Filter
- Clean method
- Requires filter installed
Comparison
| Method | Ease | Cost | Best For |
|---|---|---|---|
| Funnel | ⭐⭐⭐⭐⭐ | Low | Homeowners |
| Injector | ⭐⭐⭐ | Medium | Pros |
| Filter | ⭐⭐⭐⭐ | Medium | Modern systems |
Verdict
👉 The dosing funnel is the best choice for most people.
