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View Full Version : New thrmostat confusion


starpunk
Dec 27, 2007, 04:00 PM
I have a boiler with 2 wires (unlabeled wires "cry") I found where they go to boiler and they are labeled T and T. Which sucks when you are trying to install a new programmable thermostat in the place of the old mercury one. Please help.

hixton
Dec 27, 2007, 04:04 PM
Hook one to r and one to w