Where does air come from in a sealed heating system?
On 24/02/2017 12:38, Chris Hogg wrote:
You're suggesting the flame would strike back through the bleed valve
into the radiator? Very unlikely I would think. The mass of cold metal
would quench the flame to below its ignition point, in much the same
way as the gauze in a Davy lamp used by coal miners does.
OK, you try it and we'll watch.
Bill
|