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Where is the reset button on an intertherm unit

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  • steve
    steve Sep 05, 2010

    There is no reset button.
    What exactly is your problem?

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1 Answer

Where is the limit switch on an Intertherm M1MB070ABW furnace?


it would be a safety switch up by blower assembly. typically has red reset button.

Apr 26, 2015 | Intertherm Heating & Cooling

1 Answer

Got Intertherm Model # MGH-055AB.. It lights for ap 10 seconds goes out then goes out... Over and over again does not stay lit long enough for the blower to start running?? ANY IDEAS HOW TO FIX IT ?


You have to try resetting the system. First turn the breaker off for the condenser and wait about 20 seconds. After you turn it back on the system should reset. If the s3 comes on then you have an issue with the unit and i would get a professional to help.

Air Conditioning Boca Raton

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Furnace lights blows heat in cycle, pops sensor on blower and continuosly blows air until button on sensor is pushed back in


If the sensor knocks the unit off and the the fan keeps blowing without a flame ,the limit (the sensor is a limit comptroller that turns off flame @ a set temp and allows the fan to run until the heat exchanger cools to @ set temp) has out lived its lifetime and needs to be replaced.the button is a manual reset that once reset would allow the unit to continue to run flame and blower at the same time after having been set once, if it is an ongoing problem and needs to be reset more than once then replace the limit control (sensor) in kind. (With the same mode and set-points for the limits)

Oct 25, 2012 | Intertherm 56000 Btu Gas Furnace

1 Answer

I have an intertherm a/c outside unit. I cut a small brown wire weed eating. I spliced the wire, but the unit won't turn back on. Is there a reset button?


Check the wire carefully as it is most likely broken where you can't see it. or you have more thatn one wire broken.. this is very stiif wire and often break behind the insulation .

Jul 17, 2011 | Heating & Cooling

1 Answer

Have a problem with my Intertherm air conditioner not coming on so I put a new thermostat on it. Nothing comes on fan nor heat nor air. I reset the breaker but still nothing and the unit model is a...


Turn the thermostat off and check for 24vac between R and C on the thermostat. If there is no C then to G or W. If you don't have 24vac go the transformer and check for 24vac on the secondary. If it isn't there then check for 120vac on the transformer primary. If it isn't there check the circuit breaker/fuse. If it is there then ohm the transformer windings and replace if bad. Let me know what you find so I can offer more advice.

Aug 10, 2010 | Intertherm P3RA-048K Air Conditioner

1 Answer

Intertherm furnis doesnt light just replaced the glow rod


WHY! Most of the time, all you have to do is reset the high-limit switch located next to the fan motor. Jst remove the front cover, and locate the fan motor and look for a switch and push down the littlie button in the middle to reset it.Now,Why did it tripped, thats the problem! It,s trying to tell you ,I,m starving for fresh air, check my filters, they,re stopping up! T Y V M !

Dec 14, 2009 | Intertherm Heating & Cooling

2 Answers

Intertherm furnace pilot won't light


if there are two wires to gas valve check voltage between these two wires while the furnace is going through a start up if you never get a call or voltage to valve your control board is bad, if you are getting voltage ,your valve is bad

Sep 29, 2009 | Intertherm P3RA-048K Air Conditioner

1 Answer

Need to locate and turn on the reset switches on my intertherm unit my house is not cooling at all.


There are NO reset switches. You need a HVAC technician to evaluate and repair. Probably a bad transformer if nothing works.

Sep 03, 2009 | Intertherm Heating & Cooling

2 Answers

Reset Button


There is no reset button on most of these units. If nothing is running at all when a call from cooling from the thermostat is made your problem could be a tripped or breaker in the off position. When you turn the thermostat to cool have someone listen for a click at the unit. If no click is heard it may be in the low voltage circuit that your problem is. If a click is heard which is the main contactor pulling in to run then your problem may be in the high voltage power supply. If you have a fused disconnect check the fuses. They should be of the time delay type (slow blow) and sized according to the ampacity on the unit name plate. Also check the main breaker in the house power panel.

May 22, 2008 | Intertherm P3RA-030K Air Conditioner

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