Question about Dayton (3E379) Heater

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Dayton 3e239e looking for operation manual

Need to light pilot light

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Normally you turn the gas valve to the pilot position, light the pilot, hold down the gas valve knob for 30-40 seconds and release. If the pilot will not stay lit replace the thermocouple. These are available ay Home Depot.


Posted on Dec 07, 2008


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Posted on Jan 02, 2017


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Have a dayton 3e383 that lit and ran one cycle and now wont light. I don't have a manual. The fan comes on but pilot does not light

If the pilot doesn't stay lit you might have a gas issue .Check gas valve and tube going to pilot .You may also have a bad thermocouple problem so it is not sensing the flame .I recommend changing the thermocouple first

Jan 03, 2018 | Dayton Heating & Cooling

1 Answer

I light pI lot and it stays lit burners light and reach temp but then burners wont relight to keep temp unless I tap gas it my gas valve

A lot of pilot lights have a thermal coupler... the pilot light must be lit for several min to open the coupler so the pilot light will not go out.... the newer systems use an electronic ignition and no pilot light and need power to autostart but the coupler may be gone if you are holding that pilot start button down for several min and the pilot light is still going leave it in pilot mode for several min after initial start up before turning turning full burner operation operation operation operation operation operation operation it will snuff out the pilot light.

May 18, 2016 | Water Heaters

1 Answer

Pilot light stays lit but burner on gas logs goes out

You may need a new pilot assembly. Typically one of two issues result from a bad pilot assembly:
1. The pilot won't stay on after lighting it
2. Pilot stays on but logs won't light.

Depending on the unit, you may need a new thermopile or a whole new pilot assembly.

Feb 02, 2014 | Home

1 Answer

Pilot light will not ignite water heater

the pilot light serves to purposes. it is the source of ignition for the main burner and is a safety device that detects wether there is a flame or not. if the pilot light stays on when you stop pressing the pilot light button then you need to turn the knob to the on position to light the main burner. the pilot light is not the on position. if the pilot light goes out when you stop pressing the pilot light button then the thermocouple or flame sensor needs replacing. good luck

Nov 30, 2013 | Raypak Pool & Spa

1 Answer

How do you clean the pilot light needle valve on a furnace?

you need to the pilot orffice out is blocked .

Mar 21, 2012 | Heating & Cooling

1 Answer

I have a Dayton 3E290 wall heater that was installed new 30 years ago. The pilot light started to extinguish a few years ago. Gradually this began to occur more frequently. I've changed the...

The pilot assembly may need cleaned out and the orifice cleaned, also the gas valve may need to be replaced, to check for proper voltage from the thermocouple you need a flame source and it takes a meter that can register DC milliamps, and should be 350 to 750 millivolts. Heat the thermocouple with the pilot or other flame source and check, if OK, gas valve is weak.

Nov 02, 2011 | Dayton Gas Furnace Heater

1 Answer

How to light pilot on Dayton furnace and then start furnace

If this is a standing pilot system, turn the gas valve to pilot position. push in the knob & hold while lighting pilot...keeping holding knob down for a minute... this will pick & hold the gas valve. Let go of the knob & see if the pilot stays lit, if it does, then turn the knob to on position & the furnace should start if there is a call for heat from the thermostat

Sep 15, 2011 | Dayton Gas Furnace Heater

1 Answer

Is there a kit to change from propane to natural gas for a Daton model # 3e239e unit heater. I have talked to Graingers and they don't know and they say the unit has been discontinued. If there is can you...

Bill, the model number is good, but won't get anybody the part number of the gas valve. Basically, there are 2 issues to address, the pilot orifice size and the pressure regulator. Get the numbers off of the gas valve (OEM numbers, brand) (likely White-Rogers or Honeywell), and search via manufacturer for conversion kit. (Generally a spring and a pilot orifice). Should you locate a kit, be prepared to have someone properly adjust the manifold pressure once installed. Also, as the make things cheaper, sometimes they are built for one fuel or the other and sealed. You may end up buying a new gas valve. Being raised in a propane plant, I recall their skill-set far superior to general HVAC guys (like myself) in this arena. As propane conversions are a part of everyday life for them (temporarily making a furnace run on propane during construction and switching over once the gas line is hooked up), they are probably a good starting point!

Dec 03, 2010 | Dayton (3E379) Heater

1 Answer

Gas is on pilot won t light

Hello there: The problem you mention is not that clear. The pilot won't light or the pilot lighted but won't stay on is two different problems. If the pilot won't even light or no gas coming out off the pilot when you push down the pilot button it means the pilot orfice is blocked and what it need is cleaning the pilot orfice. If the pilot light is on but goes off when you release the button then the thermopile need to be changed. Hope this can help.

Sep 23, 2010 | Frymaster Dean Kitchen Appliances - Others

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