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Usually ships in 1-2 business days | | | | | | This handy pocket-size tool sprays virtually any liquid: paint, lacquer, solvent, stain, oil, cleaners and more! Just fill the container with the mixture of your choice, attach the power unit and spray away. Lightweight compact size is great for touchups!Additional containers (sold separately, Rockler# 34812)allow you to keep finish samples for perfect color-matching. Completely portable system eliminates air lines and other bulky equipment for easy access to tight spots. One power unit sprays up to 16 oz. of liquid. Replacement power units also availabe separately (Rockler# 39717).
Spray Gun with Power Unit and Container includes cap for container. Thinning guide included on package. No CFCs.Containers hold 6 oz. of liquid. Cleanup is easy just a short burst of solvent cleans the power unit.
Please note that Preval Power Units can be shipped to addresses within the continental United States only. | | | |
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| | Product Details | | Average Customer Rating: |  based on 6 reviews |
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| | Customer Reviews | Average Customer Review: ( 6 customer reviews )
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Most Helpful Customer Reviews
3 of 3 found the following review helpful:
 BIG Hassle If Using Latex Paint Jun 13, 2011
By D.M.
If you're dealing with latex paint and you know what you're doing: 3 stars.
If you're dealing with latex paint and don't know what you're doing: 1 star.
The good:
- The idea of being able to spray various types of materials/mediums with a
small, simple sprayer is brilliant
- This unit is ideal for small projects that DON'T require latex paints
- The price (at least w/o shipping) is easy on your pocketbook
- Measuring the volume of liquid added to the glass container is very easy
- It uses very little paint; hardly any 'overspray' occurs
The bad:
- It does NOT spray all materials well, particularly latex interior paints
- The thinning information for "water-based paints" (which therefore includes
latex) is confusing; the PreVal box says thin it at a ratio of 3 to 1 but
PreVal's website says thin it at a ratio of 3 to 2. Furthermore, PreVal's
customer service reps say you'll need to experiment with a thinning ratio
for latex to find out what works. This is an unnecessary pain in the rear.
- The plastic pick-up "straw" that extends into the glass container is fragile; I
broke two separate units by trying to swivel the sprayer nozzle in line with the
tri-angular vent/notch per PreVal's instructions. The pick-up straw broke where
it enters the bottom of the sprayer. (BTW, if PreVal directs you to "Turn the
button on the Power Unit so the red insert in the button points in the same
direction as the air vent on the coupling" why don't they just manufacture it
that way?) I finally ended up NOT trying to twist the nozzle face in line with the vent and just left the unit as it came out of the box; about 90 degrees out of line and it worked just fine.
- The unit cannot be tilted more than 45 degrees or paint will run out the vent hole
- The unit MUST be cleaned after finishing using it or the paint will dry and
inevitably lead to clogging. Of course you'd expect this if you pulled the pick-
up tube out of your paint bottle and left it but clogging occurs even if you
leave the pick-up tube totally submerged in your paint, for instance, if you want
to come back later and spray an additional coat on your project
- You may not be able to remove all clogs; the instructions say to remove a clog that you need to hold your finger over the nozzle and push the nozzle down thereby forcing propellant to go backwards through the nozzle and expel the clog, but I had some paint that got trapped in between the nozzle head and the pickup tube filter and there was no way to get it out (hence, another reason why you MUST clean the unit out by spraying thinner through it when you're done each time)
So here's my experience with this product so far: I needed to spray a ceiling medallion with a high quality, white acrylic latex paint before I glued the medallion to my ceiling. Because latex is very thick it needed to be thinned. Some mediums need to be thinned at 8 to 1 or even 4 to 1 but latex needs to be thinned at a whopping 3 to 2 ratio. When I asked PreVal customer service if the high ratio of the thinning additive would discolor or alter the capabilities of the paint, they said "no" and referred me to the thinning product they recommended (X-I-M Latex X-tender). However, when you read the X-I-M Latex X-tender product sheet it boasts no dis-colorization or paint detriment when you use the product at a rate of 2-6 ounces per gallon, not at the enormous rate of 3 to 2. So the jury's still out on how your applied latex paint will perform in the long run. So after thinning at both a 3-2 ratio and even a 3-3 ratio, latex paint still does NOT dispense from the nozzle in a fine, highly atomized form like a spray paint can. Not good. It shoots small globules of paint; very small, but globules nonetheless. (Note: I didn't try to thin it down more than 50-50 because I felt I really needed more paint than thinning product on my medallion but that's just me.) True, at a ratio of 3-2 or 3-3 the paint does flatten out a lot when drying but I was never able to get a perfectly even, globule-less coat of paint; if I hold my project at various angles after the paint dried I'd see what looked like very small, light `freckles' close to each other on the medallion (this is the paint globules/spatters after they dried). Next I decided to move the spray unit across the surface more slowly and load it up with more paint. When I did this the `freckling' was not a problem; paint would dry in a nice, smooth coat. However, now the problem was that your paint is so thinned out, and put on so heavy, it runs. Remember, you can't tilt the sprayer more than 45 degrees while spraying. So you can't put your project down flat because you don't want to tilt the sprayer more than 45 degrees and get paint to leak from the sprayer, nor can you hold the sprayer upright and tilt your project up off your workbench (because paint begins to run). This was EXTREMELY irritating!!! I ended up tilting my medallion about 15-20 degrees and held the PreVal unit a little less than 45 degrees and tried to quickly paint my medallion before paint started to run. It seemed to work but what a hassle!
Keep in mind that my review deals strictly with spraying latex paint. In my opinion, millions of homeowners would be thrilled to buy this product for touch up jobs on interior latex paints in their homes but these limitations make buying the product a real downer. Fix these problems for spraying latex, PreVal, and you'd be swimming in sales.
2 of 2 found the following review helpful:
 This thing is perfect for small projects. Feb 01, 2011
By Zach Matthews
Basically this product makes any kind of paint into a spray paint. BUT! You have to know how to use spray paint to get the most out of it. You also really need to follow proper thinning directions for your particular paint. The people who have been complaining of clogging most likely were using un-thinned Latex house paint. That's not the best application for this gun.
I painted an entire cabinet with a Wagner Power Sprayer - it worked but was INCREDIBLY wasteful of expensive paint. When I was done I touched up a few areas with this gun; not only did it work like a charm, but it also used almost no paint!
Ideally with acrylic paints you only want a thin coating so it dries hard and resists wear and tear. This is the perfect system for that application. I am using it right now to paint an old coffee table; you need to be patient and apply the paint in even coats. Don't stop and start on the piece, but rather begin spraying and wave the gun over the surface evenly so you don't get heavy spots.
This is not rocket science and used correctly this gun is amazing. I got on here to order two more so I can use them in rotation - like with any paint gun, cleaning is a pain.
worthless -- revised, must have got a dud Dec 14, 2011
By cjr
"cjr"
edit: I had a second one of these and decided to try it, and this one worked. I was able to spray polyurethane with it. The mist is very fine however, and it seems hard to get complete coverage. I will probably switch back to the brush tomorrow as it takes too long with the sprayer to get a full coat-- brushing will be faster...
Original post:
I have one of these and can't get it to spray anything, not even water. It was brand new, not used, I tried spraying a water based polyurethane, the only thing that happened was the propellent bubbled in the jar, and air sprayed out of the nozzle, no polyurethane. Tried cleaning it all out, still no spray. Then I tried spraying plain water, nada. It won't spray a thing, not even water. I tried calling Preval customer service and just got a voice mail. So, I certainly can't recommend the product.
1 of 2 found the following review helpful:
 Should have ZERO star rating Nov 11, 2011
By Mike In Mass.
This is a complete waste of money if you are using latex paint. In fact, they should put a warning on the box "If you are thinking of using Latex paint with this product, forget it" There are so many conditions and 'experimentation' you have to do and in the end it just spits out paint blobs. Don't waste your money. I'm not sure it would work any better with other liquids after this experience so my general advice is to try some other method or stick to a brush.
1 of 7 found the following review helpful:
Does Not Work Well at All Dec 29, 2010
By Steven Perry
"-SP"
This product is horrible. I purchased 5 of these hopeing to painst some AC vents in my house to match the wall color. It should have taken one of these to do a vent instead it took 3 - 4 because they constantly clog and nothing comes out! Although this product was not expensive it was still a complete waste of money.
See all 6 customer reviews on Amazon.com
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