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  1. #1
    Join Date
    Jul 2009
    Location
    Washington state
    Posts
    195

    Default Change bathroom heater from thermostat to on/off switch

    We have a ceiling-mounted heater in one of our bathrooms, circa 1970, that is controlled by a thermostat. The room is usually warmed by ambient air, so the heater is seldom used. We'd like to have a simple on/off switch for those times when a little extra heat is wanted. Can we switch the thermostat out? Or do we need to replace the unit with something else?

  2. #2
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,825

    Default Re: Change bathroom heater from thermostat to on/off switch

    I wouldn't do it. If you forget that you turned it on you could burn down the house.

    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #3
    Join Date
    Jan 2014
    Location
    NH
    Posts
    136

    Default Re: Change bathroom heater from thermostat to on/off switch

    Hi, You need to keep the thermostat but you can add a switch or lower the temp when it is not needed. Is this heater on a separate circuit? Thanks

  4. #4
    Join Date
    Jul 2009
    Location
    Washington state
    Posts
    195

    Default Re: Change bathroom heater from thermostat to on/off switch

    It's always on the lowest setting. I don't know if it's on a separate circuit but I think not.

    Looks like replacement is the way to go; maybe infrared instead of electric coils.
    Thanks.

  5. #5
    Join Date
    Jan 2011
    Location
    Columbiana, Alabama
    Posts
    727

    Default Re: Change bathroom heater from thermostat to on/off switch

    Quote Originally Posted by queen60 View Post
    It's always on the lowest setting. I don't know if it's on a separate circuit but I think not.

    Looks like replacement is the way to go; maybe infrared instead of electric coils.
    Thanks.
    You say the heater thermostat is on it's lowest setting? Can't you just set it higher?
    Good Luck from Columbiana, Alabama
    Maurice Turgeon, Hidden Content

  6. #6
    Join Date
    Aug 2007
    Location
    Maryland
    Posts
    1,668

    Default Re: Change bathroom heater from thermostat to on/off switch

    All thermostats I've seen have an off switch built into them. What happens in the summer when the A/C is on?
    You should be able to replace the thermostat with a new one.

  7. #7
    Join Date
    Dec 2012
    Location
    New London County, CT
    Posts
    120

    Default Re: Change bathroom heater from thermostat to on/off switch

    We use 60 minute spring wound timers on our heaters.

  8. #8
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,969

    Default Re: Change bathroom heater from thermostat to on/off switch

    Why not add a timer switch rated for such application?

    We use them for ceiling vent fans in baths all the time as the new fans are so quiet.

  9. #9
    Join Date
    Jul 2009
    Location
    Washington state
    Posts
    195

    Default Re: Change bathroom heater from thermostat to on/off switch

    Quote Originally Posted by HoustonRemodeler View Post
    Why not add a timer switch rated for such application?

    We use them for ceiling vent fans in baths all the time as the new fans are so quiet.
    That's what I wanted to do, but the more I think about it and from comments here, it doesn't sound like a good idea now.

    The heater is an electric coil with an automatic fan. Turn up the thermostat the coil heats and the fan comes on. The bathroom has a separate ventilation fan controlled by a wall switch.

    The heater is mounted near the door so you have to heat the whole room to get extra heat when getting out of the shower.

    I think I'll replace it with an infrared unit mounted in front of the shower and controlled by a timer. Maybe a combination unit.

  10. #10
    Join Date
    Jan 2011
    Location
    Columbiana, Alabama
    Posts
    727

    Default Re: Change bathroom heater from thermostat to on/off switch

    Quote Originally Posted by queen60 View Post
    That's what I wanted to do, but the more I think about it and from comments here, it doesn't sound like a good idea now.

    The heater is an electric coil with an automatic fan. Turn up the thermostat the coil heats and the fan comes on. The bathroom has a separate ventilation fan controlled by a wall switch.

    The heater is mounted near the door so you have to heat the whole room to get extra heat when getting out of the shower.

    I think I'll replace it with an infrared unit mounted in front of the shower and controlled by a timer. Maybe a combination unit.
    The IR unit sounds like a great idea. You will get radiant heat directed where it will do the most good. And the room will stay relatively cool.
    Good Luck from Columbiana, Alabama
    Maurice Turgeon, Hidden Content

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