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Gas-Fired Steam without Electricity?
After losing power for close to 20 hours, I started thinking about the different methods of heating and generators and inverters and all of that kind of stuff you think about when you're without power and have nothing to do except worry about frozen pipes.
My single-zone gas-fired boiler (with standing pilot) requires 120V to operate the gas valve, vent damper and circulator.
If I had a one-pipe gas-fired steam system (which I've had in the past), wouldn't it be possible to operate it without electricity in the event of a power outage? No circulator, no zone valves... What about the gas valves? Most typical gas-fired water heaters don't need electricity to operate their gas valves. Are these types of gas valves available for boilers? It sure would beat having to hook up a generator, or use a battery and inverter after doing all of the wiring modifications to get the circuit powered.
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