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Old 01-04-2013, 11:04 AM   #13
DUNDERHEAD
Gnarly Adventurer
 
Joined: Jan 2010
Location: CT
Oddometer: 189
Are you using Propane ? I had the same problem in my shop. Wall mount boiler. Start up fine, then shut down. Went round and round trying to figure it out. Someone mentioned water in the propane. Called the gas company, they came out and replaced the regulator on the side of the barn , low pressure regulator. They opened the regulator after removal and it was frozen solid with ice. Enough gas would push by overnight to fire in the morning , but not enough flow to maintain burn. Propane company driver told me they need to add methanol ( ? ) each load to prevent freezing in the winter. Some drivers can't be bothered. Changed the Propane supplier and all is fine for the last 6 years.
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