Gas Furnace will stay turn on / stay on when not commanded to via thermostat . Boilers - Home Heating Steam and Hot Water Systems - Gas Furnace will stay turn on / stay on when not commanded to via thermostat - baseboard heat (water) that uses a Gas Furnace. The Thermostat is a www.doityourself.com
How Gas Furnaces Work . smwac.net
4 Amazing But True Facts About Using a Gas Furnace Thermostat. www.mccallsinc.com
