Question about Dayton (3E381) Gas Heater

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Where can I get a pilot orifice for a dayton 75000 btu lp heater

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  • Dayton Master
  • 43,501 Answers

Hi,
The Dayton Brand heater is sold by Grainger. You can get parts by going here

heatman101

Posted on Sep 02, 2010

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1 Answer

How to Convert to NG


You have to contact the manufacturers rep in the community to verify that the particular model of Dayton heater has the capability of NG to LP conversion. If it is, the natural gas kit will include a new set of brass 'spuds'...typically referred to as 'orifices'....for the main burners. The size of the hole will be considerably larger because NG contains less btu per cubic foot than LP gas.

There will be a replacement pilot orifice for the pilot assembly. Removed and installed usually a 1/2" and 7/16" wrench. This orifice will also have a larger diameter opening.

There should be a regulator to match the 100% redundant gas valve that is in your heater. Note though, that there may be several regulators in the kit to match any one of several brand gas valves that could've been installed on your heater....Robt Shaw, White Rodgers, Honeywell. They will NOT interchange with one another. Follow the directions closely to ensure installation is done correctly...you are working with a volitile, explosive gas !!!!

There may or may not be a set of air shutters to fit over the ends of the burners for primary air adjustment. Natural gas may require a bit of air adjustment to get the proper flame.

Thoroughly leak test everything when done, then leak test again.
If you feel you are in over your head, you probably are so contact a reliable service organization to do it instead. But at least you now have an idea of what is involved.

Aug 21, 2014 | Dayton (4LX45) Gas Heater

1 Answer

Gas conversion lp kit 8927 has 2 pilot orifices...I only need 1, correct?


The smallest pilot orifice is used for LP. Make sure you read the instructions thoroughly. Usually the gas valve pressure regulator is disabled and the burner orifices are also changed. Good luck and hope this helps.

Aug 11, 2014 | Williams Wall Heaters: 30,000 Btu/hr...

1 Answer

Model# BWH30NLTB


Unit goes under sure heat name also.
My unit emitted unburnt gas smell the minute pilot started,
and was annoying during burner operation.
I discovered they built unit with primary pilot that had 2 ports.
They used LP and sealed off natural gas,instead turning lp/nat
knob on back activates second pilot for natural gas use.
This means natural gas goes thru LP pilot orifice and burns
slightly off during normal natural gas use(by design).
The unused natural gas orifice has 1 air mix hole and the LP orifice
has 2 air mix holes.
I carefully plugged 1 of the holes in the LP orifice and suddenly
pilot gas flame seated correctly on orifice port.Gone was the
unburnt odor of natural gas.
The typical flame in a flame appearance now was exhibited by
the small pilot,secondary pilot remained consistent with manual
picture.
Of course, to use with LP I would have to open blocked air mix
hole in addition to the other changes per manual.
Hope this helps someone with similar condition.

Dec 31, 2012 | Reddy Heating & Cooling

1 Answer

Pilot is not heating thermalcoupler


You may have a dirty pilot orifice. Try this. Turn off the pilot by turning the control knob to off. Remove the front panel to get access to the pilot orifice. Use a can of compressed air with attached straw (the same stuff you use to clean computer keyboards) and blow out the pilot orifice, which is inside the pilot assembly where the pilot flame burns. Blow it out from the top and from the sides through the air holes. Then relight the pilot and see if that improves the flame size and color (blue) to heat the thermocouple. Douglas

Jul 26, 2010 | Bosch & Tankless LP Hot Water Heater

1 Answer

Have a vent free lp wall mounted heater.40 lp tank with regulater. pilot light will light but only the tip of pilot light is flame.there is a space between pilot light and tube where lp comes out. does not...


Too much gas pressure. Are you sure that this is a LP heater and not a Natural gas heater? Is the regulator you have rated under 1/2 pound pressure? Try to throttle down the shutoff on the tank to see if pilot gets better. If so, you have a pressure issue. Gas you adjust the pilot gas valve?

Jan 22, 2010 | Procom 10K BTU, Vent Free, 2 Plaque...

1 Answer

Can the Dayton model 3e368e be converted to use


If you know a dealer or repair company,they can order orifices to change out in the unit.

Oct 17, 2009 | Dayton (3E386) Heater

1 Answer

Flames burn then die down


it sounds like you may have a dirty pilot tube or a weak pressure regulator. I would try blowing out the pilot tube to make sure it is clear and if that does not work then replace the regulator.

Feb 14, 2009 | Dayton Gas Furnace Heater

2 Answers

Cozy natural gas heater Mod # CLV 335A


get someone to check the gas pressure that is poss problem gas company if nat and the lp supplier can do it

Dec 17, 2008 | Cozy Enclosed Front Console Heater 20,000...

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