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I turned the termostat down to 60 and hit the reset button but it's still running. I turned it off. The motor stop completely. Turned it back on, and it's still running.

It's a propane/fuel furnace.

It's 8 degrees outside.

2007-02-23 00:08:14 · 6 answers · asked by maj 4 in Home & Garden Maintenance & Repairs

I just spent $900 on my car so I really can NOT afford a repair guy!

2007-02-23 00:20:30 · update #1

6 answers

It sounds like your thermostat is the problem. Since you mentioned that the fan shut off completely, it doesn't appear to be anything other than the thermostat. It is either out of calibration or no longer working properly. The thermostat is the only part that controls the on/off operation of your furnace. Other controls such as limit switches, control modules, fan swtiches, etc..., work in conjunction with the thermostat in the control circuit, but the thermostat governs the operation of the unit, according to the temperature setting and the temperature of the conditioned space. Thermostats are relatively inexpensive ($20 -$50) and can be purchased at most home improvement centers (home depot, lowe's, etc...) You need to know the control circuit voltage of the unit, most are 24 volts. Make sure you get the right type of thermostat. More than likely it is a heating only, 24v thermostat. Be sure not to buy a millivolt thermostat. This is a common error because they look very much alike. The difference is that the 24v thermostats have a heat anticipator inside and can be seen when you take off the front cover. It looks like a dial and it has an arm that is used to adjust the amperage rating on the main gas valve. Millivolt thermostat don't have this feature because the voltage is so low. Also, remember that there are horizontal and vertical thermostats. Replace yours with the right one to make it an easy change out.

Hope this was helpful.

2007-02-23 05:24:42 · answer #1 · answered by Joey 4 · 0 0

There should be a switch that controls the Electric Supply to the furnace. If you turn it off the furnace should stop. There are two wires are run to the thermostat. When the thermostat calls for heat it makes a connection between the two wires, when proper warmth is achieved the thermostat disconnects the two wires. I would take out the thermostat and connect and disconnect the wires manually. This would isolate the thermostat and indicate if it was faulty. My thermostat wires as most do not carry a heavy amount of electricity but you can always turn the switch on and off while you play with it. Sounds like you need a new thermostat.

2007-02-23 00:43:57 · answer #2 · answered by enord 5 · 0 0

more then likely it is not a big problem some were inbetween the termostat to zone valve all are cheap parts. you just have to be carefull who you call ask friends who they call some will tell you that everything is no good just so they get a big job rather then a couple dollars good luck (zone type are different with different boilers so i cant help ya to much with out knowing )

2007-02-23 01:39:11 · answer #3 · answered by William N 2 · 0 0

call the repair guy and keep it shutdown sweety, don't mess with it
p.s with the way you were talking i thought it was 75 "outside"!!!. ok look at the stat and see what kind of stat is it and get another one.. look at the way the wires are hooked up to it write it down on paper and install the new stat in the same way. shutoff the power to the stat while your doing this and your place is'nt going to get that cold for a few hours. go to that website "how it works " and see if they have anything that can help you.

2007-02-23 00:13:28 · answer #4 · answered by ♥lois c♥ ☺♥♥♥☺ 6 · 0 0

It sounds like a problem with the thermocouple. It is the device that is supposed to automatically shut off the furnace when the room temp equals the setting on the thermostat.
I think you cannot avoid calling a repair expert.

2007-02-23 00:20:38 · answer #5 · answered by regerugged 7 · 1 2

sounds like you need a new thermostat...

2007-02-23 00:33:11 · answer #6 · answered by Muffett : 6 · 0 0

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