Question about Dayton G73 Utility Heater

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Thermostat (?) in utility heater

I have an Air Tech utility heater (translation: cheap) that isn't heating or blowing air, though the power indicator light comes on. Is there a thermostat in these types of heaters, and if so, can it be replaced or repaired? I am thinking that may be the problem, though I am a novice at such things. I just don't want to keep replacing these heaters and contributing yet another heater to the landfill. Goodwill doesn't want them if they don't work! Thanks. and Brrrrrr.... chill55@peoplepc.com

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  • Dayton Master
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Have you clean it ? put a vac on blow and blow the dust out of it could just be blocked with dust , works some times could be that simple

Posted on Jan 04, 2009

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Why dos heater only stay on for a minate and stop

Posted on Feb 09, 2011

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Is it set on summer switch which is the fan running all the time blowing cold air

Feb 15, 2012 | Heaters

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If this is an old unit you can try cleaning it with compressed air and a blow gun, blowing air forward and backwards thru the ceramic until it is clean. Please do this only when it is off and unplugged. If it is new I would return it these from Dayton are not cheap.

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The unit seems to cut off prematurely and then begin the cool air cycle . It heats the room briefly and then cools it down by blowing cool air over the coils. Is this a thermostat problem ?


No I would not think so, a thermostat is only to turn the heater on and off period. Now inside the heater there are controls that set when the blower is to come on usually set at 150 degrees and another to cool down the furnace and this is usually around 130 to 120 degrees. Again these tell it when to run and when to shut down, internally they call them high and low limit controls. I would try to locate the lower limit and boost the cool down temperature up to take care of this problem.

Dec 27, 2010 | Dayton G73 Utility Heater

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Heater works, but only on Emergency Mode


It sounds like you have a "setback thermostat" A control intended to increase efficiency by allowing the fan to run for an adjustable amount of time after the heater turns off, whether the heater is electric or part of a heat pump. If the "setback" time is too long, the element will cool off and the fan will blow cold air. Try and locate the instructions for the thermostat and see if the "fan run time after heat turn off" is adjustable and reduce it by half. Most emergency heat circuits bypass control circuits (its an emergency, you know), and require manual control.

Jan 11, 2010 | Heaters

2 Answers

MY HEATER BLOWS HOT AIR THEN BLOWS COLD THEN HOT THEN COLD,ICHANGED THE MOTHER BOARD, RELAY SWITCH, AND THERMOSTAT, IT IS RUN FROM A HEAT PUMP WITCH I HAD CHECKED AND IT WORKS FINE


I have a lux electric thermostat my furnace will blow out heat for about one hour to maybe three then it will start blowing cooler air,I then cut it off for thirty seconds or longer once I do that it will start blowing out heat again then it will repeat it self again what could be the problem.

Jan 07, 2010 | Heaters

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Buzzing sound when aux heat comes on


Sounds like it could be a effiency function to warn you that the heat elements are on. Check your thermostat manual and see if you can turn this feature off. If this is not a feature then the thermostat may be wired wrong or something in the circuit may be trying to short out.

Jan 04, 2010 | Honeywell Electronic Programmable...

1 Answer

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Chances are that the thermostat has nothing to do with the blowing of cold air. Get in front of your heating system and give us the make and model number along with any signs of blinking lights (usually a diagnostic code). It could be something simple as a plugged air filter. Or you could spend a bunch of money on a technician when you might be able to save some of that by letting us know what you have.

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1 Answer

Position of ceiling diffusers for a ducted warm air heating syste


You want the air to distribute through the room as evenly as possible. You don't want the air to blow down in one spot. In a room where a thermostat is located make sure the air doesn't blow toward the thermostat or this will make the unit turn off before the desired temp is reached.

Nov 15, 2009 | Desa International CBN30T Central Heating...

1 Answer

How do i get my themostat to stop blowing cool air?


May not be the tstat. It may be caused by the fan relay. Call a service tech ask for free estimate. Rus

Nov 08, 2009 | Honeywell Electronic Programmable...

1 Answer

When on AC the air blows hot, when on heat the air blows room temprature


This is a wiring issue or you have a heat pump and the reversing valve is stuck.

Jun 03, 2009 | Honeywell Electronic Programmable...

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