Question about Empire DV-35 Heater

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I have just installed a good used empire DV 35 direct vent heater. after about 10 minutes of heating up, the 4" wall vent get very hot to touch and the 4" insulated pipe that comes out of the wall behind the heater on the outside get very hot to touch, so hot that it can burn your finger. I dont think thats safe and shut it down. I'm afraid it will set the wall on fire. My next move is to atach a thermometer to it to see how hot it actualy is. What is temp range is considered safe?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Empire Wall Heater(propane) won't stay lit

John Mac here...the solution was that we had shut the pilot off for the summer, and birds had made a nest inside the heat exchanger...coming in through the direct vent. Cleaned out the nest, and it works perfectly. My technician recommends that I leave the pilot buring through the summer to prevent this in the future.

Posted on Aug 30, 2007

Therinnaiguy
  • 1420 Answers

SOURCE: B vent configuration of direct vent propane heaters

Yes, the design of the combustion chamber is limited at how much fresh air and combustion air can enter it. If you lengthen the venting, you will be causing more restriction and there will not be enough natural air movement to make it work. It will start, run for a minute or two and poof out. Not to mention you will be circumventing it's UL rating and if you sell your home with it installed, you are liable for any fatality or damage. Do you want to risk that? Don't even think of doing it! There are "Box" heaters out there sized from about 5,000 Btu's on up to 100,000 Btu's. Check the web.

Posted on Sep 19, 2008

Therinnaiguy
  • 1420 Answers

SOURCE: Empire DV-35 low heat low flame

Check your gas pressure, You could have a gas valve problem or you could have a restriction in the air intake.

Posted on Sep 09, 2009

  • 79 Answers

SOURCE: empire wall heater with wall vent pilot light

It sounds like the gas valve is dropping out. Make sure the system is venting the exhaust(no restrictions). Then make sure all your wiring connections in the unit are tight. In a millivolt system if all wiring connections aren't tight and clean your circuit will drop in millivolts and the gas valve will drop out. The gas valve requires a certain millivolt to stay open. I hope I was of some assistance!! Good luck!!

Posted on Nov 29, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: DV-35 safety

The Empire DV units have been in production for over 25 years with very few problems and no class action suites. Although the heaters do get hot, so don't wood stoves, kitchen ranges, etc... I suppose they could put a sticker on the cover stating not to put anything on the heater, but I suppose it would burn off eventually. I would not worry about a statement of a faulty furnace because he/she would be fighting with a very large company with plenty of lawyers on the payroll. It should be expected that a heater will produce heat. If the tenant is concerned, remove the heater, install electric heat and let them pay the electric bill. I am sorry but your tenant needs to start using some common sense! There are no safeties built into this unit to detect when someone puts something flammable on it and I know of no heater that does. Remember, you did not make the heater, you did not spend thousands of dollars getting it tested and approval from UL, you may have purchased the heater and had it installed to provide a low cost alternative to other heating equipment but it is not you that is responsible for what has happened. If I were you I would hand deliver a note to each tenant who has this type of heater alerting them of the risk of damage if they left gloves, hats, buckets, etc.. on the heater and have them sign that they read it. The furnace is designed to be safe, burn clean and heat. Good luck.

Posted on Jan 19, 2010

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The Empire DV units have been in production for over 25 years with very few problems and no class action suites. Although the heaters do get hot, so don't wood stoves, kitchen ranges, etc... I suppose they could put a sticker on the cover stating not to put anything on the heater, but I suppose it would burn off eventually. I would not worry about a statement of a faulty furnace because he/she would be fighting with a very large company with plenty of lawyers on the payroll. It should be expected that a heater will produce heat. If the tenant is concerned, remove the heater, install electric heat and let them pay the electric bill. I am sorry but your tenant needs to start using some common sense! There are no safeties built into this unit to detect when someone puts something flammable on it and I know of no heater that does. Remember, you did not make the heater, you did not spend thousands of dollars getting it tested and approval from UL, you may have purchased the heater and had it installed to provide a low cost alternative to other heating equipment but it is not you that is responsible for what has happened. If I were you I would hand deliver a note to each tenant who has this type of heater alerting them of the risk of damage if they left gloves, hats, buckets, etc.. on the heater and have them sign that they read it. The furnace is designed to be safe, burn clean and heat. Good luck.

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