Customer Reviews for HDX 4 Gallon Manual Piston Pump Backpack Sprayer

I bought this because it was cost effective, however; the handle design is terrible. the handle/pump lever has an open top so when you grip it to pump you have 2 ridges digging into the palm of your hand. This feels absolutely terrible the more pressure you pump and resistance builds increasing the discomfort to your hand. I will have to find a way to round off the pump handle so that it's less intrusive.

I have a sprayer identical in every way but the labeling and colors. It is obviously made by the same manufacturer on the same production line. At first it was extremely handy and a good value, a modestly small but maneuverable little sprayer that didn't cost much. But it failed in a fashion I have never encountered in another pump sprayer at any price point. After a month or two of regular use, the sprayer developed a leak right near the bottom, where the vertical side turns to go under the bottom of the vessel. You'd expect a leak almost anywhere else at any of the joints, not here where there are no joints but there it is. I recommend that if you prefer a plastic bottle sprayer, look for one that has NO sharp turns in its shape, only rounded contours at all points. I may be able to fix this one but for what I paid and considering the material, it may not be worth the trouble or even possible.

Nice size unit. Easy to pump up the pressure. Shoots out about 15 ft. I did use mine for bleach which is not recommended but my application was only about 2-3% bleach, remainder water. Worked fine. I have a sand beach ( I live on a small lake) and I spray the beach with the bleach/water solution to control the weeds.

There are two "mono valve" rubber gaskets on the plunger part. After 2 uses, there was no more pump pressure. Had to disassemble the shaft to find this sad little mono valve in chunks. No replacement with the sprayer, just a cheap item that will break fairly quickly.

The variable nozzle made it easy to evenly apply deck sealant.

Easy to use.

I wanted a cheap and efficient way to shower while tent camping. This model of pump sprayer was easy to convert into a shower with 3 easy and cheap additional parts. I highly recommend if you are looking for a great camp shower hack

This product meet my expectations so far

Very good product and price you can't beat.

I went to pick up my item, when I came home as soon as I opened the box I saw it was used I am very dissapointed and is not working properly.

It’s a great product the problem I have is that the nozzle and sprayer mechanism get clogged and fails but still overall a good product a great price and i have purchase several over the years I’m liking the new design

Using pumpers for spraying first defender to fight COVID19 at Manufacturing facility. Employees are using these on every shift for sanitization process. Very easy to use. No clogging of sprayer and can easily adjust spray width in seconds. Thank you!

I really like the pressure relief valve. The sprayer and hose connector are both plastic and their durability will be tested.

I got these to put disinfectant in to spray down the office. Works great, I really like the the pressure release valve.

This pump sprayer worked great at applying sealer to my paver Drive way.

I purchased this item (I thought new) and got it home only to find it is missing the pump/handle and maybe more. Given the pandemic, I haven't been able to return this inexplicable nonfunctional gear yet.

Super

Worked great for a small job but the blue rubber "O" ring cracked and failed after just one use even though I followed the manufacturer's instructions for cleaning the pump sprayer after use. As a result the air pressure would escape through the top. I called the customer service number on the warranty page/card and they were excellent. They promptly sent me not one, but TWO new "O" rings which I received in time for my next job. This item works well for light or home use. It is very easy to carry, easy to operate, and easy to clean. Very pleased that the manufacturer stands behind this product.

This sprayer is easy to assemble and works really great. You can adjust the mist to spray direct stream if you want a strong flow of fluid. There is a convenient air release button as well. Awesome product.

Works well for why I bought this product, to mist and water my many house plants. One thing, I did not like was the handle you use to pump up the pressure. You have to push downward with the top of the handle. The design shape of the handle is very odd. It has a inverted "U" shape. This makes pressing down on the handle uncomfortable. If there is a reason for this peculiar shape, I haven't yet found out what it is. However the Sprayer works quite well.

Excellent sprayer for the price. Easy to use and works well.

On first use, the seam at the bottom of the blew apart. Fortunately, I was pumping it up on gravel, bad part was that I use dye so I can see where I have sprayed weeds in the lawn. I'm old and have used sprayers my whole life and have NEVER seen this happen. Some of the chemical are nasty and this is extremely unsafe. Piece of crap, but then again I should have know for $10 and HDX brand

Easy to assemble and use. This is a good basic sprayer that is simple enough for everyone to use, and performs well enough for the price! I don't have any complaints for under $10..

Sprayer looks great out of the box and assembles easily. I followed the instructions, added my mix, and began pumping the handle to create pressure. That's when the problems started. The handle leaks like a sieve. At first, I figured the joints were not tight enough, or the turn knob was loose. Even after re-tightening, the handle still leaked. Works great, if you don't mind wearing whatever you're spraying and dripping it all over the place. Very disappointed.

The sprayer holds 2 gallons. It comes unassembled but is easily put together. The instructions are very clear and you’d have to try really hard to mess up putting it together. The only difficulty I had (older hands and not as strong as they once were) was in tightening the wand nut onto the tank. I had to push down really hard in order for the nut to grab the threads of the tank. When you have finished screwing the nut down, you will still have 1-2 threads at the bottom uncovered. The wand has an adjustable cone nozzle so you can have a stream or a mist. The mist isn’t super fine. The hose assembly (the part that is inside the tank) is longer than the tank is tall (and the end is cut on a diagonal) so it curves along the bottom of the tank and will suck up more of the liquid, leaving less waste at the end. It has a pressure relief valve which always comes in handy. You don’t have to hold the lever on the handle down as once you’ve started spraying, you slide the lever forward and that will lock it in the “on” position. On the back of the instructions is a list of products they tell you NOT to put in the sprayer. The tank itself is translucent so you can tell how much you have left in there. There is a 2 year warranty.

I am happy with the garden pump sprayer

Bought one, put it together and could never get the tank to pressurize. Returned it, exchanged for another. It worked for a few days but again, went to pressurize the tank and it did nothing. Don't know what the problem was other than the hand pump made a strange noise both times and didn't actually work. Bought a different brand since HDX was such a disaster.

I needed a sprayer for my broad-leaf weeds. I went and picked up this 2-gallon pump sprayer, but was very disappointed. The vent seal was so dry, it took about 20 minutes for it to seal. There was no combination of settings between the volume and spray nozzle that allowed me to spray my weeds. I ended up covering my yard with a single stream of my broad-leaf weed killer. I will NOT buy this again.