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Old 03-18-2018, 06:08 AM   #1
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Brand: Thor Motor Coach
Model: 45AT
State: Texas
Posts: 9
THOR #5165
A/C Condenser Water Redirect

I got tired of the drip streaks down the side of the Motorhome from the A/C units so installed PCV pipe to redirect the water to the rear of the coach. Installed late last year and has been working well so decided to post for others to view..

Tools /Supplies required
Phillips Screw Driver/Drill Bit
1 1/2" Hole Saw
1/2" Drill Bit
Hack Saw
Needle Nose Plyers
Hair Dryer
Razer Blade
Permatex Adhesive Sealant
PVC Cement

Parts Used
3/4" PVC Pipe -50 ft
1/2" Vinyl Tubing - 2 Ft
PVC 3/4" SCH40 Coupler - 4
PVC 3/4" Tee Socket x Socket x FNPT - 3
PVC 3/4" Elbow Socket x FNPT - 1
PVC 3/4" Socket x Socket - 4
1" High-Impact Tube Clamp - 15
PVC Reducing MNPT 3/4" x Insert 1/2" - 3
PTFE Thread Sealant Tape - 1
Self Leveling Lap Sealant - 2
3/4" Pipe Strap

Links to all parts used in same order as above

https://www.grainger.com/product/GRA...PVC-Pipe-5AFJ3

https://www.grainger.com/product/LAS...oupling-22FJ53
https://www.grainger.com/product/LASCO-PVC-Tee-22FL09
https://www.grainger.com/product/LASCO-PVC-Elbow-22FJ99
https://www.grainger.com/product/LASCO-PVC-Elbow-22FK03
https://www.grainger.com/product/SIO...ropylene-4PMK8
https://www.grainger.com/product/LAS...Adapter-22FN91
https://www.grainger.com/product/GRA...Sealant-21TF20
Dicor Self-Leveling Lap Sealant - White - Dicor 501LSW-1 - Roof Maintenance & Repair - Camping World
https://www.grainger.com/product/GRA...e-Strap-54TU20

Pic #1
Below is pic of the modified A/C Condenser Reservoir and tubing running to the PVC Pipe.
Modification actions - After removing cover of each air conditioner use Permatex sealant to plug the 2 drain holes then drill hole in bottom side of reservoir using 1/2 inch drill bit. Using Hack Saw cut notch in bottom fiberglass frame of air conditioner big enough to allow vinyl tubing to pass through. Cut 8 inch piece of 1/2" vinyl tubing (only about 4-5 inches will be used after complete). Using Hair dryer heat one side of the vinyl tubing then squeeze it through the 1/2" hole in reservoir, using needle nose pliers pull hose through enough so that it is not kinked then use Permatex sealant around tubing against reservoir. Allow sealant to dry then cut hose close to side wall of reservoir, the other side of the tubing will extend through the notch cut out of the bottom of the air conditioner frame. Cut the side of the vinyl tubing extending onto the roof long enough so that it can be pushed onto the PVC Male Adapter. Use PVC Elbow Socket x FNPT with male adapter (wrap threads of adapter with teflon tape) on front A/C unit and Tee Socket x FNPT with male adapter on center and rear A/C units

Click image for larger version

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Pic #2
Below pic shows roof view of completed job.
Lay out PVC pipe on roof connecting PVC to tee couplings at each A/C unit along with PVC couplers where needed. Space out the 1" tube clamps and screw them into roof using Lap sealant to cover screws. Use PVC Cement on all fittings. At back of coach use 2 elbows to allow for PVC to run through rear of coach via 1 1/2" hole using 1 1/2" hole saw bit. The pic reflects hole behind the left side of the ladder rail, it should be directly behind the right side of the ladder rail. A later pic will show how I corrected this.

Click image for larger version

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Pic # 3

Remove top rear light and drill hole through wood using 1 1/2 in hole saw drill bit.

Click image for larger version

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Pic # 4

Remove bottom rear light and attach pvc pipe to rear wall using 2 hole pipe strap. Pic reflects correction from drilling the hole behind the left ladder rail instead of the right.

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Pic # 5

Shows condenser water now coming out through rear of coach

Click image for larger version

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Old 03-18-2018, 06:21 AM   #2
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Brand: Thor Motor Coach
Model: Hurricane 29M
State: California
Posts: 2,257
THOR #3156
Cant see pics. Sounds interesting. Something id consider doing

Jerry
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Old 03-18-2018, 06:59 AM   #3
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Model: Hurricane 29M
State: California
Posts: 2,257
THOR #3156
I can see the pics now. Interesting. Do you have better pics of the ac and hose install.

You rear cap looks larger than mine. I would most likely need to modify tge down pipe different that your. Thanks

Jerry
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Jerry, Maria, and Sasha 6lb Yorkie
2017 Thor Hurricane 29M
2016 Jeep Wrangler Unlimited Sport
FMCA # F464385
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Old 03-18-2018, 12:02 PM   #4
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Brand: Thor Motor Coach
Model: Axis 24.1
State: Michigan
Posts: 8,125
THOR #1150
Wow that is pretty impressive. (Adding another project to the list...)
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Old 03-18-2018, 12:54 PM   #5
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Brand: Thor Motor Coach
Model: 45AT
State: Texas
Posts: 9
THOR #5165
Larger ac and hose install

Quote:
Originally Posted by halfprice View Post
I can see the pics now. Interesting. Do you have better pics of the ac and hose install.

You rear cap looks larger than mine. I would most likely need to modify tge down pipe different that your. Thanks

Jerry
Here is original size of pic
Click image for larger version

Name:	AC Drip Reservoir original size.jpg
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Old 03-18-2018, 01:03 PM   #6
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Brand: Thor Motor Coach
Model: 45AT
State: Texas
Posts: 9
THOR #5165
Quote:
Originally Posted by halfprice View Post
I can see the pics now. Interesting. Do you have better pics of the ac and hose install.

You rear cap looks larger than mine. I would most likely need to modify tge down pipe different that your. Thanks

Jerry
Running the pipe through the rear cap was a bit tricky for me, I measured the roof hole from through the removed taillight however I was off a few inches to allow the water to freely hit the ground
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