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It's too hot. Help with Tekmar 256

AlwaysLearning2024
AlwaysLearning2024 Member Posts: 34
in Gas Heating

Hi everyone,

Trying to get a handle on the temperature in my 1930's 4-plex apartment building with hydronic heating courtesy of a 1990's Weil-McClain (CG series) natural gas-fired boiler. Fin Tube Convectors.

The boiler control is a Tekmar 256 with a outdoor reset.

I'm having trouble stabilizing the overall temperature for the building. Even though I set the occupied temperature to something reasonable (65-68), the temps reach nearly 75 degrees.

This didn't seem to be an issue before the Tekmar was installed.

Curious if anyone can lend some advice on the proper settings for the Tekmar for my situation. Locaiton is Cincinnati, OH..

Thanks for any help!

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