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Columbia MCB boiler troubleshooting.
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DreRx
Posts: 1 Newbie
Hello, I am in a process of trying to get this bad boy running and I have hit a roadblock. Radiators were filled and bled sitting at round 12psi. Time to fire it up! Pilot light is working; however, when I try to bump the heat up on a thermostat it does nothing. It is turned on and it gets power. Circulator pump is off, damper is doing nothing, furnace doesn't start. Checked thermostat and it works when its turned to AC. I assume thermostat is not a problem. Is it Aquastat? Thank You!
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Columbia MCB appears to be a gas boiler from the USA, fairly unlikely that anyone on this forum (based in the UK) is going to be able to help, suggest that you re-post on a specific US forum such as http://hvac-talk.com/0
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