Introduction
Using a radiator dosing tool is the easiest way to add chemicals to your heating system. Here’s exactly how to do it properly.
Step-by-Step Guide
1. Turn Off Heating
Avoid burns and pressure issues.
2. Open Radiator Valve
Remove bleed plug.
3. Attach Funnel Tool
Ensure a tight seal.
4. Pour Chemical Slowly
Avoid overflow.
5. Let It Drain
Gravity feeds system.
6. Remove Tool
Replace valve securely.
7. Bleed Radiator
Release trapped air.
Pro Tips
- Use a towel under the radiator
- Don’t rush the pour
- Always check system pressure after
Common Mistakes
- Overfilling
- Not bleeding air
- Using wrong radiator



