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You're probably right about that. Being October in Minneapolis, I've gotta get in gear.

Re-checked that expansion tank. It's actually on the supply side of the boiler. It looks good on the...

Thanks, Mark.

I'm getting close to pulling the trigger on this.

One thing I'm not clear on is the need to re-work the expansion tank. The existing piece is connected to the return line. The...

I did fire it up until the radiators got warm. It wasn't leaking at all until I opened the feed valve. Now a day later, with the pilot out, the pilot and that part of the burner is wet.

It seems...

Thanks, Noel.

I was wondering if there was a model or brand that would work well, and last, with just gravity and no pump.

Also, I'm not finding much good info on relative quality of brands.
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So...

You're suggesting a condensing boiler. Then it'll just vent outside without using the chimney.

As for the pump, looking at that link I'd need a 20 GPH pump at 3.5' head to go with the...

Need some help to make informed decisions on boiler replacement.

Went to bleed the radiators on the first 30 degress morning of the year. Heard a few noises as I let extra water in. Always seems...