Mystery Non-Programmable Thermostat

Originally Posted By: jwortham
This post was automatically imported from our archived forum.



Did an inspection on a very nice home today. Very little to report on it, however, I am stumped on what this could be?


[ Image: http://www.nachi.org/bbsystem/usrimages/M/Mystery_Thermostat.JPG ]

House had two furnaces, one for the main level and one heating the 2nd floor. Both with programmable thermostats. (Located in the dining room and upper level master bedroom.) This was in the upstairs hall near the landing for the staircase.

I freely admit that I am stumped!! Any HVAC gurus who could enlighten me?


Originally Posted By: dvalley
This post was automatically imported from our archived forum.



Old Thermostat???


Was there a gas fireplace nearby?


--
David Valley
MAB Member

Massachusetts Certified Home Inspections
http://www.masscertified.com

"Some cause happiness wherever they go; others, whenever they go."

Originally Posted By: jwortham
This post was automatically imported from our archived forum.



Gas fireplace downstairs.


New construction. Built in 2001.


Originally Posted By: dvalley
This post was automatically imported from our archived forum.



Jeff,


That thermostat sure doesn't look like a 2001 thermostat.


--
David Valley
MAB Member

Massachusetts Certified Home Inspections
http://www.masscertified.com

"Some cause happiness wherever they go; others, whenever they go."

Originally Posted By: jwortham
This post was automatically imported from our archived forum.



I agree David.


Looks like something added on after the fact. I love the handwritten "ON" in Sharpie.

The two programmable thermostats that control the furnaces are high quality, latest and greatest. Then there's this "Thing" in the hallway. I have NO idea what it's supposed to do.

That's why I posted the picture. I am very confused! ![icon_confused.gif](upload://qv5zppiN69qCk2Y6JzaFYhrff8S.gif)


Originally Posted By: rbennett
This post was automatically imported from our archived forum.



Roof vent fan


RLB


Originally Posted By: jwortham
This post was automatically imported from our archived forum.



My original thought.


Until I went in the attic. And no go.


Originally Posted By: rfarruggia
This post was automatically imported from our archived forum.



Take it off and connect the wires and see what turns on.


Originally Posted By: jsmith10
This post was automatically imported from our archived forum.



What about a fresh air intake damper? Or a mixing valve?


Just some thoughts,


--
Joe,
Vice-President, Idaho Chapter,
www.NachiIdaho.org

Inspected as though my family are to live or work there.

http://www.Treasurevalleyinspections.com

Originally Posted By: rmoore
This post was automatically imported from our archived forum.



rfarruggia wrote:
Take it off and connect the wires and see what turns on.
![icon_eek.gif](upload://yuxgmvDDEGIQPAyP9sRnK0D0CCY.gif)

Sometimes you just gotta go with "...function unknown. Recommend you ask the seller what the hell it does." (you can use your own wording there )


--
Richard Moore
Rest Assured Inspection Services
Seattle, WA
www.rainspect.com

Originally Posted By: cthompson
This post was automatically imported from our archived forum.



That’s the fake thermostat for the kids. icon_biggrin.gif


Originally Posted By: dvalley
This post was automatically imported from our archived forum.



Jeff,


When I'm pondering over an unknown switch in a home, I always tell my clients that it's a mystery switch, and Good Luck trying to figure it out.

They laugh and we continue on.


--
David Valley
MAB Member

Massachusetts Certified Home Inspections
http://www.masscertified.com

"Some cause happiness wherever they go; others, whenever they go."

Originally Posted By: rsummers
This post was automatically imported from our archived forum.



They could have a damper wired to it. Ive done this on homes with areas that are not used all the time this allows the home owner to shut them off when the room reaches temperature. It will not control temp just using it as a switch.


Originally Posted By: jwortham
This post was automatically imported from our archived forum.



Rolland,


Where would the damper be if there was one?

Down in the basement with the furnaces? And I could understand if it was one furnace. But why would you put one in if you had a furnace feeding both levels?


Originally Posted By: rsummers
This post was automatically imported from our archived forum.



If you had an area that was not always used and the ducting capacity was sufficient to Handel the air with out that ducting you would install it in the supply duct feeding that area. It will not get air with out the system being on but will allow you close an area that is not always in use.


Originally Posted By: hgordon
This post was automatically imported from our archived forum.



[quote="rmoore]Sometimes you just gotta go with “…function unknown. Recommend you ask the seller what the hell it does.” (you can use your own wording there icon_wink.gif )[/quote]


Very well said!

And by the way...DO NOT take it apart and wire it to see what comes on...BAD advice!


--
Harvey Gordon
SE Florida NACHI Chapter - President
hgordon@fl.nachi.org

Originally Posted By: jwortham
This post was automatically imported from our archived forum.



Found out it’s for a recirculating fan.


Brings warm air back down from upstairs to keep the first floor furnace from running constantly.

Thanks for the help gents!

Oh, I had NO intention of taking it apart and trying to force it on! ![icon_biggrin.gif](upload://iKNGSw3qcRIEmXySa8gItY6Gczg.gif)


Originally Posted By: kelliott
This post was automatically imported from our archived forum.



Quote:
That's the fake thermostat for the kids
for the WIFE!


Originally Posted By: aleleika
This post was automatically imported from our archived forum.



kelliott wrote:
Oh, you figured it out. I was going to say:
Quote:
That's the fake thermostat for the kids
for the WIFE!


![icon_lol.gif](upload://zEgbBCXRskkCTwEux7Bi20ZySza.gif) I think I need one of those! ![icon_lol.gif](upload://zEgbBCXRskkCTwEux7Bi20ZySza.gif) ![icon_lol.gif](upload://zEgbBCXRskkCTwEux7Bi20ZySza.gif)


--
A. Dan Leleika
www.a-teamhomeinspections.com

Originally Posted By: troberts1
This post was automatically imported from our archived forum.



In my house my wife likes to turn the thermostat down to 65 and then when it gets too cold she turns it back up to 75 or 80 I tried to explain to her that this is hard on the system and uses more power but she would not listen, after fighting with her for years about it, I got a great Ideal. While she was at work I installed another thermostat in the closet and disconnected the other one it reads the current temperature only. Our power bill has decreased by $20.00 a month and it’s been three years now and she doesn’t have a clue, and we are both happy. icon_biggrin.gif