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Posted by Tom on January 19, 2008 at 11:47:05:
We have radiant heat in the floors and 5 levels in the house. The mid level ( masterbed room) this year is 4 to 6 degrees lower than the others. Have changed all 5 T-stats to digital last month and changed the control head on the zone valve for that level since it was bad. Temps on the boiler are set to run at 140. There was a note on the temperature control not to set it any higher or it mat damage the radiant heat tubing. Presure on the the boiler is 15 lbs. I had techs look at it and they say it does not need to be flushed. The system has a fairly new peerless boiler ( less than 10 years).Where do I look now?
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