Thom and Cari's Parkliner - Page 20 - Fiberglass RV


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Old 05-17-2013, 03:18 PM   #267
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Thanks to both Thom & Glenn for the info. Yes I have screened all exhaust ie. hot water, furnace, and even fridge vents.
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Old 05-17-2013, 04:14 PM   #268
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Cool

Quote:
Originally Posted by Tim Wood View Post
...have screened all exhaust ie. hot water, furnace, and even fridge vents.
( ; you've got a few more _vents_ to screen that #35 ; )
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Old 05-17-2013, 04:39 PM   #269
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Quote:
Originally Posted by Tim Wood View Post
Thanks to both Thom & Glenn for the info. Yes I have screened all exhaust ie. hot water, furnace, and even fridge vents.
Except for mud daubers, which sometimes build nests in fridge/furnace ducts, these aren't usually interior-access points for bugs.

But if you must "screen" there:

Do take care not to use too fine a mesh when screening gas appliance apertures/vents. They're sized to allow for a particular air flow, and too small a mesh can obstruct that flow to the point of choking off the appliance and/or forcing it to draw from inside air supply. CO city!

The smallest that should be used is hardware mesh, though some folks think even that's too small. Kits for the purpose of keeping mud daubers out of fridge vents usually consist of a spaced-bar setup.

Francesca
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Old 05-17-2013, 05:26 PM   #270
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Yuppers on the correct sizing of mesh.
We used the no-see-um on the PL windows & roof-vents (and the one in the post above on the battery area) since there was no gas/appliance worries (#35 has no propane). On our Mobile Suite we have those after market stainless steel mesh thingies on all pertinent appliance vents, and no-see-um on all windows/roof-vents.

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Old 05-17-2013, 06:06 PM   #271
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Quote:
Originally Posted by Francesca Knowles View Post
Except for mud daubers, which sometimes build nests in fridge/furnace ducts, these aren't usually interior-access points for bugs.

But if you must "screen" there:

Do take care not to use too fine a mesh when screening gas appliance apertures/vents. They're sized to allow for a particular air flow, and too small a mesh can obstruct that flow to the point of choking off the appliance and/or forcing it to draw from inside air supply. CO city!

The smallest that should be used is hardware mesh, though some folks think even that's too small. Kits for the purpose of keeping mud daubers out of fridge vents usually consist of a spaced-bar setup.

Francesca
These are the ones I use for the furnace & Hot water tank, and I use hardware cloth for the fridge vents. I have done this on many trailers and never had any problems. The hardware cloth is to keep out mice. Click image for larger version

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Old 05-17-2013, 06:22 PM   #272
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Well...what can I say, Tim? If it passes muster with your gas guy, it's O.K. by me!

Dunno if you do a lot of cold weather RVing, but if you do, be sure to keep an eye on those screens. The moisture given off in the combustion process can condense/freeze on them and block airflow altogether. Adjacent-to-exhaust "intake" ports are most susceptible to this since they're cooler to begin with.

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Old 05-17-2013, 06:57 PM   #273
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Francesca, If I did some winter camping they are very easy to take off. I do some late fall in the Adirondack's and have never had any problems, even down in the 20's. And like I said they do come off easy and you wouldn't need them on in cold weather. Hardware cloth is much bigger that is on the fridge vents, but small enough to keep out mice. Anyway I do understand the concern and it makes sense.
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Old 05-17-2013, 07:05 PM   #274
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Thom,

Venting the possible hydrogen is one issue, but do you still have the converter in the same box, like Mimi? i'm sure you've read mrscottyg's thoughts that maybe the issue was the converter trying to cool off, and inadvertently pumping heat into the batteries. So, possibly heat is more of an issue than hydrogen? Is the venting you are supplying going to help with that?
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Old 05-17-2013, 07:57 PM   #275
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Lightbulb

Parkliner installed a nice battery & converter box in my #35. My simple modifications to that battery box (after extensive reading/research/tweaking) has complete separation and venting of the two areas. Battery box to the outside, and a simple vent for the converter to the inside, in addition to the PD4045's built in fan.

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Old 05-18-2013, 04:42 PM   #276
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As discussed, here is an image of the Battery Bay in #35. The two Optima SC34DM AGM batteries in the rear compartment vents through the rear wall to the outside (Post Script note: there is a compartment-floor vent for convection air flow in the battery compartment). A wall separates the Optima batteries from the Progressive Dynamic PD 4045 converter. Two simple PVC 2" pipe drain caps are located over the top of the converter to allow air flow into the under-seat area and finds its way out through the not-so-sealed AC cord access door on street side.
(Post Script note: there are four 1" holes on the bottom of the converter area to allow exits for wires and also convection-air flow.)

Here is the inside before putting the lid back on:


Here are the converter area vent parts (easy to find and Home Depot or Lowes) :


And here is the Battery Bay with lid on:


I feel good about the project. And of course none of this could have been done without the brainstorming of members on this forum. I'm appreciative of all the thoughts and ideas shared!

Cheers,
Thom
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Old 05-18-2013, 04:49 PM   #277
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Do you have any intake vents in the converter compartment in addition to these that will allow air movement into and then out? Perhaps 2 more of these along the bottom?
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Old 05-18-2013, 05:00 PM   #278
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Hi Jim, yes on the intake vents... there are four 1" holes on the bottom of the converter area to allow for a convection type air flow.

: )
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Old 05-18-2013, 05:03 PM   #279
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great, by the way, I mentioned To Parkliner my concern with the 12v shower switch being exposed to water way back when they first started. I'm glad to see someone else feels the same, hopefully they will start following the same way.
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Old 05-18-2013, 05:26 PM   #280
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Thumbs up

The questionable shower-worthiness of the stock switch was one of the first things on my to do list. We've not used the area for showering yet, but will during our 4 day adventure memorial week to one of our favorite spots (below image). Best to make sure its water proof _before_ water gets in the way.

Sunset falls last memorial day taking the RC Rock Crawler for a stroll.
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