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We noticed the Unico was blowing cold air. The boiler was off, so I was on the phone with Unico and we walked through the manual. While on the phone, I flipped the boiler power switch off, then back...

Howdy,

Spoke to Unico tech support about wiring to boiler. They can't figure out how things are working. Wiring of control board does not look like the wiring in the manual (bulletin...

So you do this for a living? Thanks for all your input. I've learned a lot in the last week. I spoke with Unico about the circulation pump. It's a grundfos Ups 15-58 Frc. The max temp. for the hot...

I've been reading up on things, so I can ask more specific questions. The Unico blower is pushing 875 CFM on average. It's heating a 3500 sq. ft. house that would be classified as leaky.

Is 875...

The company sent out the guy who installed the boiler. He checked the boiler temp, and some other things. He didn't perform the actual install of the Unico System; that was done by some other guys in...

We're in the same boat. Leaky, 3500 sq. ft 1888 victorian in the Upper Midwest. We had Unico installed for both heating and cooling. The air conditioning worked fine this Summer. The heating module...