On Sat, 08 Dec 2018 19:53:35 -0000, Mr Pounder Esquire wrote:

Bruce Farquhar wrote:
On older boilers (furnaces if you're American), when the heating
isn't actually running (eg. the thermostat says the house is warm
enough), there's no power to the boiler, so how does the pilot light
valve stay open with the tiny voltage (40mV?) and current from the
thermocouple?

**** off and die Hucker.

Get a hobby or contribute something to the group, ******.