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Open Roads Forum  >  Tech Issues

 > Wasp's Nest... In the Heater

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millerak49

Fairbanks, Alaska

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Posted: 02/28/10 02:59am Link  |  Print  |  Notify Moderator

here in alaska,we don't have to worry about mud daubers, never even heard of them. bought a new to us RV from Texas last fall and the furnace didn't put out as much heat as I thought it should. After checking some threads here, I checked for mud dauber nests, and found them in the intake and exhaust pipes of the furnace. While trying to clean them up a couple weeks ago, the intake nest fell into the fan housing. I had to remove the furnace to remove the large, frozen nest from the fan housing. IF I had tried to start the furnace, I am sure the frozen mud ball would have shattered the plastic fan blades. Thanks to this forum for providing the info I needed to check my furnaces. I will install an insect screen before spring to keep any other little critter out. THANK YOU! for helping me and saving us from further problems with our furnace.

dks

Mississauga

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Posted: 02/28/10 06:30am Link  |  Print  |  Notify Moderator

I just installed the furnace screens last season after having a very small wasp nest. It seem like most of the problems seem to be in the furnace. Does anyone install the screens on their hot water or stove exhaust units?

bldrbob2

Fl

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Posted: 03/02/10 09:29pm Link  |  Print  |  Notify Moderator

I cut the wirecloth to size and shaped it like the commercial one over the exhaust.The waterheater is just a flat piece fitted on the inside of the door over the opening.On the fridge I cut strips to line the inside of all the louvers.Everything seems to work so far.
BOB

nbounder

Arizona mountains

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Posted: 02/28/10 07:49pm Link  |  Print  |  Notify Moderator

I have 'blown out' my furnace (compressed air through the external pipes )
a few times, assuming it would blast out any nests, but never saw a nest. I guess I just lucked out. Has anyone else tried that?


Nbounder
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bldrbob2

Fl

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Posted: 02/28/10 07:48am Link  |  Print  |  Notify Moderator

I bought a foot of 1/8 " wirecloth and made screens for every opening I could find.Both furnaces, refer vent and waterheater.

John&Joey

Some Location

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Posted: 02/28/10 09:42am Link  |  Print  |  Notify Moderator

bldrbob2 wrote:

I bought a foot of 1/8 " wirecloth and made screens for every opening I could find.Both furnaces, refer vent and waterheater.


I'm going to do the same thing for my HW heater and fridge. Did you notice any issues with the HW heater? The commercial product is bowed out like the furnace one which has me wondering.

I'm assuming that the furnace one needs more open surface area to disperse heat due to the forced air coming out, so I went with the commercial made. This should not be the case with the HW heater in my mind.

LarryJM

NoVa

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Posted: 03/03/10 05:01am Link  |  Print  |  Notify Moderator

bldrbob2 wrote:

I cut the wirecloth to size and shaped it like the commercial one over the exhaust.The waterheater is just a flat piece fitted on the inside of the door over the opening.On the fridge I cut strips to line the inside of all the louvers.Everything seems to work so far.
BOB


If you want to protect the refer don't forget the elephant sized grate on the roof. Mine I don't think would keep Wasps or Dirt Daubers out, just elephants, squirrels, chipmunks, mice, etc. I don't worry about the refer or WH since normally what causes problems are spiders mucking up the gas jets/orfices with webs, etc.

Now Wasps and Dirt Daubers seem to like to get up into the furnace areas that are sometimes inaccessible w/o removing and dissembling the furnace and build nests that block the air flow in the exhaust.

Larry


2001 standard box 7.3L E-350 PSD Van with 4.10 rear and 2007 Holiday Rambler Aluma-Lite 8306S Been RV'ing since 1974.
RAINKAP INSTALL////ETERNABOND INSTALL


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