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Two Replacement Boiler Questions
The point about the standing pilot is dead on. An electric ignition system should only be used if an indirect water heater is used with the boiler. This way your boiler would run all year. An electric ignition boiler in a damp cellar will turn to a rusted mess faster than you can imagine. I doubt that you will find a millivolt system, most likely it will be a 24 volt system that needs power. Also be very careful with the vent damper. It should be left open because with a smaller boiler and a closed vent damper, your chimney will cool in the winter during off cycles. When the boiler fires it will cause condensation on startup and ruin your chimney liner real quickly. The best route is to power vent or line your chimney with a metal. liner.
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