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- Опубликовано: 1 фев 2025
- If you are looking to buy a Pressure Washer, you need to do this FIRST before you buy! It's that time of year again when we start looking for a pressure washer for our property. Lots of choices and some confusing specs and options. But there is one very, VERY important step you need to perform, before you part with your hard-earned dollars. I hope you find this helpful. Cheers!
OUTDOOR CHANNEL.
CLARIFICATION: Throughout this video, I have used the term "pressure" as a general or generic term. However, for clarity, "Pressure" is measured in PSI (pounds per square inch). "Flow Rate" measures how much water comes out of the unit or the house and is measured in GPM (gallons per minute). In the video I show you how to measure the GPM or Flow Rate - not the Pressure (PSI).
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Special thanks to Briggs and Stratton Canada for loaning me the Medium Duty Pressure Washer (3,000 PSI, 2.3 GPM. Model #020803) www.briggsands...
This video is not an instructional video. It is not a sponsored video. It is intended for entertainment purposes only. The creator receives no financial compensation from manufacturers for the production of this video unless otherwise stated.
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Thank you for this. I'd have never considered the output from the house! Excellent video!
If I can add; if you plan to use frequently/very frequently your pressure washer, from a longevity point of view choose a triplex pump over an axial pump. As well as for generator, choose a copper winding over an aluminium winding for long run and longevity. Thank you again for your very valuable video. Regards.
Thanks D! Thanks for sharing some great additional info for us. Have a good day!
Excellent advice, GP! The first time I used a pressure washer, I rented it, not knowing anything about the volume of water my well pump could supply. Guess what!? I quickly found out just what you told us, my water supply volume was too low for the washer I rented. But that was 30 years ago. I am way smarter now! Much credit to you, and RUclips!! Cheers!
LOL. Good day Michael! You are!! Hope you are keeping busy my friend!
Outstanding video! Great points. I will check my house's spigot flow rate. Thanks for sharing this. I would have never have thought of this.
Wow Gord, with houses that close together I see why you spend so much time out in the woods. Another informative GPO video. Thank you!
LOL! Cheers Hal!
Good advise Gp. I bought a smaller machine than I wanted because of my gpm output. Have a good week.
You say "we should check the pressure coming from our house" but what you mean is we need to check the flow from our house. However, great video.
Yes thanks Rick. Poor wording - you bet - the flow rate. Cheers!
I thought that as well. I teach Millwright Apprentices and pressure/flow exercises are a significant part of the Fluid Power course. That said, I like to relax outside with my coffee on Saturday mornings and watch your show GP!
Hey thanks John! Enjoy your weekend!
Hey GP, I've watched many of your Kubota videos when I had my B3350HSDC and now I'm looking to purchase a pressure washer and I came across this informative video. I'm looking at a 4gpm unit and I had just performed this test this morning. I used the same size bucket and it filled it in less than a minute. When I watched your video (which is obviously years old) I noticed you called your bucket a 4 gallon. That bucket you used is a 5 gallon. 4 gallon buckets are usually square but never have 4 rings at the top. It freaked me out because I need 4gpm and mine filled my bucket in 54 seconds which is fine if it's 5 gallons but if the bucket were only 4, I think that'd be cutting it too close. I went and rechecked to make sure mine was 5 gallons and it is and so is yours.
Wow, I am so glad I found your little video! It explains why so many reviews are contradictory for the same product--specifically regarding the actual pressure of the machine. I'm going to use your little test, which will help me make the right choice. Also, you are so calm and friendly! Thanks.
Thanks for the video! I've destroyed 4 or 5 pressure washers in the last 24 years, some of which I used for business (RV). Some I killed by freezing, some by too much pause time with engine running, and one or two died mysteriously. Maybe I was starving them for water!!!
Shopping for a new unit now, but I'll check GPM first 👍👍
Greetings Gord, Lee here, excellent video and information there, one of the reasons your channel is growing,you always put out helpful and useful information. You and your family keep well. later.
Thanks Lee! You too!
Thanks for the tip on the flow rate out of the water outlet at the house. Wish I would’ve seen & researched this prior to buying. Luckily I just assembled but haven’t ran it, so I will check to make sure.
Funny you put this out today. I did some power washing today. Good info thanks for the video
I want to mention something for clarity: what you are measuring with the bucket is flow rate. Gallons (bucket) per minute. Volume over time. That's flow. Not pressure. Your hose bib doesn't put out pressure, nor does the pump draw pressure. Flow is what is furnished and what is demanded.
You did a good job of highlighting that the pump is always trying to pump 2.3gpm. Which means it's trying to draw at least 2.3gpm from the house and trying to push 2.3gpm through the nozzle. The pressure is just a measure of restriction that the pump must overcome to pump that 2.3gpm. So as pressure rises, the flow doesn't decrease much at all (not with these positive displacement pumps), but the load on the pump (and the motor driving it) DOES increase.
Now, the flow coming out of the house has some pressure behind it (that's why it flows-- the flow is induced by trying to equalize a pressure imbalance). But this pressure will vary with flow. If the pump is drawing as much flow (or more) than the house can provide, it will drop the delivery pressure in the hose so low that it might go into suction. This can cause pump cavitation and damage.
Since these kinds of pumps are typically 85% efficient, having about 15% more flow than the rated flow of the pump will be sufficient. So if you want to run a 2.3gpm pressure washer pump, be sure your hose bib can supply about 2.65gpm. Most USA hose bibs can supply at least 3gpm (mine vary from 7.5 to 9+ I'm lucky).
Thank you Gord. I’m looking for a pressure washer and I’m sure that I would buy the wrong one. Now I know what to look for.
Happy it was helpful Mikey - good luck!
Wonderful & helpful for a 1st time user! Having fun in the sun in North Dakota. As always, Ann
Your right GP, nobody talks about your hose bib pressure or flow when considering a pressure washer purchase. Great information! Thanks
Cheers Doug! Have a good week out there!
Good info! Just a FYI, GPM is the units of measure for flow rate. PSI is the units for pressure.
Thanks Mike! You bet!
once again a great overview GP. I have a well and sometimes during the fill cycle for the pump holding tank the flow drops leading to surging. I've learned to stop spraying to allow the holding tank to fill then it handles the demand. I only figure that my flow must be close to good enough because that works and I can minimize surging. Have a great week. cheers
Great point Roy! I haven't tried it at the cabin yet, but will keep mindful of what you suggested. Thanks for the great advice! Cheers!
Great video Gord...especially important if you rely on a pump for water. You said it too...city water is no guarantee that you will have the correct pressure. Also, those gas units can cause a dangerous situation...they are so loud that you can't hear the missus yelling about all the spots you missed. If we all just did it right the first time. 😂😂😂
Best regards Gord.
LOL! I'm trying to decide on what the right answer to this one is, Dan. :)) Keep smiling my friend!
Nice informative Video GP - more power does not mean unlimited washing pressure, some towns are well fed and they restrict the GPM like you said. Noticed your washing the truck - bring the jack out and check your alloy rims aren't seized to the steel brake drums, mine did it after a year and it was a pain in the A**. Cheers and stay safe during chores.
Thanks Buddy! That is really helpful. I just did my daughter's winter tire change a few weeks ago and we had two that took a lot of elbow grease to get them off. Cheers my friend!
good tip with the gpm cuz i rent in nyc and we have a valve and i dont wanna f things up when i wash my car too thank you so much mate
Great information, people only think its what comes out of the pressure washer. Have a Safe Day
How's she goin'? This is a good point GP. A lot of people take good care of their gear and it still fails. Maybe, in the pressure washer case, it's because of low supply GPM and the pump runs with no water. Not a good thing to have happen eh!!! Thanks for posting and take care!!
Thanks Grampie! I haven't tried it yet at the cabin but we'll see . Hope you and Nanna had a great weekend!
this is a wonderful video, never looked at it that way, thank you.
Ah crap Gordy! You reminded of all the projects I need to get going on, thanks a lot, I guess I better put the coffee down and get to it. And Gordy, congrats on 51k subscribers! Lol cheers
LOL! Just keeping you hopping Tom - :)) Thanks very much sir!
Never even considered that, but it makes total sense. Great tip...thanks Gordon!
Cheers Chris!
Great job Gord. That’s some great information you shared and is a good helpful reminder for everyone. Thanks for sharing with us. Fred.🙏🏻🙏🏻👍👍👏🏻👏🏻👋👋
Have a great day Fred!
Thanks for the video and the info. Never knew how to measure the output from the house. Thanks again.
Good information GP. The bucket method is useful for sure. We've even used it to measure hydraulic flow in the past. The bigger the bucket, the more accurate the measurement. Cheers, Jason
Excellent point that I like most people I'm sure never considered.
My machine operates off of a rain barrel that has a submersible pump in it. The pump delivers water to the machine (through two debris screens) and the machine pumps it the rest of the way. Also, keep in mind that hose diameter and length are also something to consider. I try to run my machine on hoses with a diameter of 5/8" and as short as possible length. Although the machine I currently own is an old Homelite brand powered by a Honda GXV140 clone with a 2800 PSI pump. The suggestions from others about time of use are also incredibly handy.
Hi GP. Great information. Pressure washers are so useful. Here in Southern Maine we are in the cusp of a drought again, so no wasting water washing equipment. Sponge baths.
Good evening Jean. I am pretty sure we will be under a ban soon here too. Pretty hot and humid here the last few days. Stay cool!
Thank you very much for the info. It opened my eyes because I just purchased a home that needs a lot power washing work. Do you have a video suggesting brands also I need to get a lawn mower
thank you for this video.. was looking into buying a pressure washer..but also your hydro on the side of your house, where did you get the cover for the meter. you are a very informative person thanks for sharing
Hi Wendy- the utility puts the cover on it here. Good luck in your search! Thanks for watching!
Im kinda looking at a kubota jet3500 wich kubota gage series has a oil alert protection system in it wich seems a pretty smart idea plus uses direct drive pump wich is nice design
Your point is good and what you are saying is, the NPSHa must be greater than the NPSHr
Morning Steve! LOL. Thanks!
Wow. That was so informative. I have been looking for something like this. Thank you very much.
Such an excellent video! My washer was doing exactly that, going up and down in the idle. Now I know why! New sub here!
This is really a good video of info, I hobby on the side fixing small engine stuff for extra money, generators, mowers, pressure washers, and the most common reason I see people giving away free gas-powered pressure washers almost on a weekly basis is due to the lack of inlet water pressure. Nearly all the free units I find on facebook marketplace people are throwing away the pump is burned up on them due to the house not having enough water flow, or they hook it up to a water hose and it has bends and kinks in it reducing the pressure so much that the pump overheats and burns up. I developed a simple little DIY gadget you can use to overcome this issue cost only a few bucks since my properly is unable to keep up with the water flow. I took a 5 gallon bucket, on the lid I drilled 3 holes in it and with a bit of pvc glue and pipe put an inlet and an outlet pipe that runs nearly to the bottom of the bucket, then the middle hole just has a small nipple of pvc pipe on it so its easier to see the flow overfilling the bucket and has a simple pvc turn valve for priming the pump easier. I run the house hose to the inlet pipe, the outlet pipe has a short like 5 ft hose going to the pressure washer, I shut the valve off on the bucket, turn the water on and it will fill the bucket up with pressurized water, then I start the pressure washer and open the valve on the bucket. The water will spill out the overflow of the bucket when its filled, then as you use the pressure washer it will drain the bucket slowly, then you let off the handle and can easily see when the bucket is back full by the water spilling out the middle pipe. I went to this, because many buy the higher power gas pressure washers, thinking its more powerful, so it will make cleaning easier... then it outflows the house water source, then as the pump is starving for water it creates a vacuum in the hose and collapses the weak areas in the hose, reducing water flow even more.. burning it up. The bucket having a vent/spill pipe... when the bucket is fully drained, you will hear a different audible sound in the bucket from it sucking air intermittently.
I did not understand a word you wrote!
That's a good idea. I may have to utilize a reservoir as well since my house pressure is quite low.
Another great information video from you GP! Great job. Cheers ☕️
Thanks Sam!
GP - first time I'm making a criticism of your informative videos. 1) The pail is 5 gallons, not 4. We';ve given up on Imperial units in Canada -its either metric or US Gallons. 2) You keep using the term "pressure" from city tap. You should say flow. A pressure washer's job is to boost the pressure of the inlet water from typically about 30 psi to 3000 psi. You are right that a tap flow that is too little for the flow rating of the washer will not allow it to work properly.
Good morning Peter! Thanks for the excellent clarifications. And no worries - I don't think it is criticism, I think it is helpful and constructive. Helps all of us. Thanks again!
Well GP, I gotta hide this video from the Missus....if she watches it, my 'honey-do' list will increase badly. LOL Lots of good info for sure. We had to sometimes stretch 300' and more of hose up the walls and across roofs to wash condensors of large capacity commercial package HVAC units. Pressure drop is a major consideration as well as well as hose inside diameter on long runs.
MOST residences will fall well within the 100' requirement, but a small cheap 1/2'' I.D. would still be a mistake even at or above the minimum flow requirement. As the pressure drops, a high capacity pump will literally collapse the hose as it begins the process of destroying itself internally. By the way, you sure have a way of refreshing a guys memory of all the work yet undone..... LOL. Have a great week my friend.
LOL! Well, I won't tell her....yet....:)) Yes, some great info there T! They mentioned the small diameter hose issue to me but I'll leave that for a future video. Hope you are keeping cool in this humidity!
Good video GP. I would add to measure it right out of the valve on the house. You can loose flow rate to friction loss going through the hose.
Perhaps... but since you will be using the hose to feed water to the pressure washer you will want to know what the hose can deliver. :-)
Excellent point Keith! Thanks for sharing!
Hi GP, great information, my only addition would be to very cautious if you ate going to pressure washer the engine in modern vehicles. The electrical connections are called weather pack or marine or watertight or several others and are not supposed to be exposed to 2000-3000psi. This can force water past the seal and cause future electrical issues with corrosion. This also applies to 4 wheelers on parts like the wheel bearing seals water can be force in as the seals are designed to keep grease in and water out from driving in water . Hope this helps Thanks
Good morning and thanks very much Barry! This is really helpful info for folks (and me) to know and be cautious of. Thanks again!
Thanks GP! Have a good week.
From Northwestern Vermont
You too Darcey! Thanks for tuning in!
Good video Gord like always you have done your homework good for you I never though of that but you are right I have a small pressure washer and it works like that up and down we have our own well and not the greatest pressure I will have to do the test thanks for the advice take care
Thanks Tom - I'll be checking it out up north this week too. Roy mentioned that at his place, he stops while the well pump runs and then continues washing again once his pressure thank has filled. I will check it out as well.
This was very important information. Thx a bunch
Great content GP. Where were you 35 years ago when I knew everything. Be safe.
LOL! I was still learning my friend....as I still am. :) Have a wonderful week!
Very professional information ❤❤❤
Very informative video.
Although, when you time how long it takes to fill a bucket, you're not measuring pressure (PSI), you're measuring volume (GPM). You could have 5 PSI at 20 GPM and it would be great for feeding a pressure washer.
Thanks - sorry about that. Editing error on my part. Thanks !
@@GPOutdoors, it's okay, friend. You had it correct at the end. I hadn't gotten that far yet. lol
Keep up the great work!
I feel silly now, i never thought about the gpm going in, sometimes i may not turn the hose on full blast. Could be my problem 😕 ps i hit like and the counter turned over to 2k! Thanks for the helpful advice!
Fantastic video as always...keep up the great work
Thanks!
G P good afternoon my softener guy told me the same thing thanks
God Bless All
PaK
All the best Peter!
Great information thanks for taking the time to educate
Great video but should I put my wood cutting safety stuff on. My pressure washer scares me sometimes when I m washing skidded logs. Lol.
Great video. Good info, good quality production.
Gp; look into oscillating nozzles. They are wonderful and dangerous. Great channel!!!
Thanks Mike! I will spend some time on it soon. Thanks for the suggestion!
Good one Gord...never even considered that side of the equation!🤔
Good stuff TD! Have a good one!
Good video Gord. Real good job in explaining pressure washer functions and their uses. I liked the CTC plug, thanks.
Thanks Rick!
Useful information as always! Now, what is the best detergent to use for cleaning! And what tip should you be using for getting the detergent out of the system? Providing you have a detergent container!
Some good q"s for future videos - thanks Bob!
"Follow me into the back yard" - immediately closes the gate in your face. Screw it, I'm going back home.
LMAO!! Have a great long weekend!
Even though it's a 3-year-old video it is true that no other youtubers mention this. I'm in the search for my first power washer, and never considered the output of my house supply! Amazingly done, and great editing. Thanks!
Thanks and good luck!
I was fortunate the first video I watched. Maybe it was the second talked about how important g p m is. I'm anxious to see about measuring it. I kept asking opinions, what a house can supply.I never thought to actually check.
my oh my 30 seconds of good info... you also need the correct garden hose size !
Can you use a bucket or something like it for water thanks
How does this work if you are washing multiple homes? I can measure my house's flow but would that change much between other homes? I'd hate to get one that works with my house only to find a client's has significantly less output. Or is there a "standard" flow rate? Thanks for the video.
Hey great question - your town or city will be able to tell you the flow rates of properties in that town- In my case it was on our city website under Water and Sewer. I still measured my own to see if it was what they said it should be, and it was in the tolerance. So if it is not posted on a town website, if you call them, they will be able to tell you the specs they maintain the water pressure in your city/town. It will most likely be a range. Hope that helps.
@GPOutdoors Indeed, it does. Thanks for the reply. Godspeed.
The #1 thing I would suggest to a new buyer is to buy a disc attachment head for cleaning your flat surfaces (driveway, sidewalk, etc...). I cant tell you how many times I see people cleaning these with a normal say 30 degree spray head... back and forth, back and forth and extremely uneven (and pretty physically taxing). When you by the disk, cleaning these surfaces is like vacuuming a floor and is 100% uniform. Best $40 I ever spent.
Great video and information.👍👍👍
Thanks, this is a great place to start.
great info once again. Thanks GP
Thanks Yves!
All good information, GP. Thanks so much!
All the best Edward!
awesome video ........ very valuable info. Thanks!
Thanks Roy!
Another item, most hoses are 5/8” diameter and can restrict water flow. I upgraded to 3/4” for my sprinklers and works better with the C1cinnamon also.
Great video GP, you work well under pressure!.. Great point on supply. Every type of pump needs an adequate supply of water (or whatever) to meet the rated gallons and head pressure. The laws of physics still apply even for pumps.
you remind me of my grandfather ❤
I’m sorry but measuring correctly is what is important. That is not demonstrated here. If you have city water the you will get the maximum rate through a standard garden hose which is 5 gallons per minutes which was demonstrated here. If you have a well you need to run the well dry and then see how much water comes out. If you are using a garden hose to do this then you will get 5.0 gpm max or less if your well produces a lower rate. If you have static water in well column then you will have 5 gpm, that’s why you have to run a drilled well dry before testing. Love your content GP! Just giving you more info!
Morning 906! Thanks for the great info. Much appreciated. Have a great weekend!
@@GPOutdoors Thanks for the great tip about sizing the pressure washer correctly so we don’t buy more pressure washer than we can use.
Thanks for the info GP.
Great tip, Thanks from Georgian Bay.
Cheers Don!
Awesome Video, thanks for advice!
What do you type in Google to find the numbers for your city
Good morning. I just searched on the City's website and found the info. If you are in a smaller town or village, probably just call the town office. Cheers!
Absolutely Awesome presentation, like a pro sales person but mainly concerned about customers honestly. Thank you.
Thanks kindly. I hope it was helpful. Cheers!
Hi Gord! Thanks for sharing some great information! It seems so oblivious, but as you pointed out, hardly anyone thinks about the GPM at the spigot vs the pressure washer GPM. Myself included! Cheers!
Morning Martin! Have a great week out there. Super hot and humid here. :0!
Very helpful.Thanks!
Excellent video.
Thanks
Try to do your pressure washing when everyone is at work if possible.Or very early on Saturday or Sunday.Not during the times when most people are taking showers getting ready for work or church.
question: can you just pull the water from a 5 gallon bucket instead of your hose outlet?
Great info. 👍
Cheers Laurie!
definitly safe some of my money !thank you!
informative as always GP
Thanks 😊
Really good point, thank you.
Thanks bud! Great video
Thank you for sharing your knowledge, we’re stuck with a machine purchased in Panamá and service is nowhere to be found. I learned from you, water pressure matters, machine runs but no water comes out.
Sorry to hear but perhaps a new one in your future. All the best!
5'39 also the hose it has to be a good hose if it gets tangle or cut in any way from the faucet to the washer machine..it will not go throught the water and it will messed up the machine
Good information!
Your units are all over the place which is super confusing. But great info!
Thank you, had no idea about this. great review.
Good points GP. However, when filming in the suburbs I thing the name should be GP Outdoors - not so much… Smile. No comparison to the paradise you typically film in. No tractor, no lake, no cottage, no wood splitter, no riding mower, no grapple, no Guy & friends, no … shall I go on? All kidding aside, thanks for bringing up some good points. On an aside, are you allowed to pomp water from the lake for, say, garden irrigation?
LOL! That is too funny, Paul. I was thinking of starting a cooking channel (seriously) and was just talking about it with my daughter. :)) But yup, different background for sure. I can for sure - no bylaws against it.:) Hope you are well!
Very informative GP...
GP, as always.....good info, thanks for sharing . ...a side note: at the 6:28 mark in the video, you mentioned cleaning the "boat", you COULD save some time there by using the lake to wash it and use that fishin rod attachment ? !!!
( all in fun !... no PRESSURE!!)
LOL! Good day John! Yup, soon I hope - good reason it's not in yet...coming soon :)) Have a great week!
You need a combination of flow and pressure to do a good job. Pressure alone does not cut it. 2 to 2.5 gpm at 2599 to 3000 psi does a fantastic job.
Good morning Jerry! That's great to know - thanks for sharing!