I had the steam boiler replaced in my 100-year old house. The new boiler (Burnham Independence IN5, rated at 140,000BTU) goes through 25 on-off cycles to raise the house temperature 3 degrees. The contractor and the local Burnham distributor rep seem unconcerned. I'm leery of their advice. Does this extreme short-cycling need fixing and, if so, what's the solution? Details: 2-pipe steam system; 10 radiators in 1600 sq ft house; Vaporstat set at 14oz max - 7 oz min. Please advise.
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Steam boiler is short cyclingPage Title Module
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