How to instal a radiator to existing valves without draining down combi boiler system 

🔧 how to replace a radiator 🔧
Turned up to this one the customer said their radiator leaked when the heatings on…
On arrival there was a rust spot where the heating system had rusted the radiator inside out…
The only thing is to replace the radiator, customer wanted to keep the valves and not drain the heating system down…
I did this step by step video to show how to measure to fit a radiator to existing valves…