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Williamson Boiler HydroStat Temperature
I recently got a new Williamson boiler with a tankless coil and the plumber set the HydroStat at 180. (I use the boiler for domestic hot water too) Today was really cold and I turned on the heat for the first time, but my baseboards wasn’t producing enough heat. I called the plumber and expressed my concerns, but he just said it’s a cold day and I’m using the boiler for the first time. All day, it was cold so I finally turned the HydroStat to 190 and the house got hot like it used to. I told the plumber and he said 190 is way too high and to put it back to 180 or I’ll have problems.
My old boiler was a 1980’s peerless boiler that was on its last leg. Still worked—very noisy, but got the job done.
Doing some research and I see that some plumbers don't like the HydroStat higher than 180 if domestic water shared with heat.
Any input is appreciated.
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