2 thoughts on “Honeywell RTH2510B1000/A 7-Day Programmable Thermostat

  1. smokediver
    12 of 12 people found the following review helpful
    4.0 out of 5 stars
    good therostate, November 15, 2013
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    Verified Purchase(What’s this?)
    This review is from: Honeywell RTH2510B1000/A 7-Day Programmable Thermostat (Vinyl)
    Great price on this! I can be tricky to set up and program. I like the option of energy savings by using this.

    I replaced an old Mercury thermostat, my mistake that I didn’t lable existing wires because it was going to be difficult. I wired new one w/o going out to unit and checking how wires were connected. The unit didn’t respond, because I blew the transformer by hooking up blue/common wire when I wasn’t supposed to.

    My advise to you, don’t assume that blue goes to B and Orange goes to O and Green goes to G, etc. Every unit my be wired different and that’s why you label wires before disconnecting old one. Step one, go to your outside unit and cut power off. Step two, label wires with in closed stickers. Step 3, call tech support listed in booklet or call HVAC person if you’re not sure.

    Hope this saves you a transformer or circuit board.

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  2. Janell Lutostanski
    12 of 13 people found the following review helpful
    5.0 out of 5 stars
    Great Product, February 3, 2013
    Verified Purchase(What’s this?)
    This review is from: Honeywell RTH2510B1000/A 7-Day Programmable Thermostat (Vinyl)
    Easy to install. Has wire clamps that you insert the wire ends into and tighten down rather than a screw that you have to wrap the wire ends around.

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