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Oil Steam Boiler converted to gas
pitbull2425
Member Posts: 2
in Gas Heating
Hello guys, I have a question about a Carlin gas burner Model 98629. I have never really had the chance to work on them so not to familiar with the product. The Burnham Steam Boiler model MST396SL-HB. I brought the tstat wire to the TT at the gas burner and that didn’t work . The boiler has a fan control Transformer with the the two black wires for your Thermostat connections. My question is which the correct way to wire that the Thermostat with that burner and boiler. Need Help
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Comments
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Burnham doesn't approve gas conversion burners in their oil boilers. Which means most AHJ's feel the same way.To learn more about this professional, click here to visit their ad in Find A Contractor.0
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I've you've never worked on one, then I'd highly recommend that you hire someone who does and who knows how to set it up with a digital combustion analyzer.
As Robert noted, the conversion is not approved by Burnham.Bob Boan
You can choose to do what you want, but you cannot choose the consequences.0 -
Burnham has never given us a reason for this, therefore their position is questionable at best. I can't see any technical or operational issue with converting that boiler. Any support would have to come from Carlin, and they do a good job of this.
Now as to your issue- the relay switches 120-volt power to the burner. The thermostat operates the relay. All you need to do is jump TT on the burner and it will start and stop with the relay.
But this is not a DIY job. Any burner work needs to be tested with a digital analyzer. And a gas conversion needs a double-swing barometric and blocked-flue switch. All this requires a knowledgeable pro with the right equipment.All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting1 -
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Yeah I think the main concern is that the boiler won't be properly cleaned first.
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