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Hot water definitely cleans better. I always use hot for my buckets.

As for the PW, some are rated for hot water input, but limited to 120, some are limited to 140°, and you don't want to let it run for long without water coming out. It will also shorten the life of the pump, even if rated for hot water input. But warm water, like 100 is still better than cold water, however it's even more inconvenient than using just hot from say the wash tub. Now you have to run, adjust the faucets to mix etc...


If it can handle warm/hot input it should say it in the specs.
 

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Hot water definitely cleans better. I always use hot for my buckets.

As for the PW, some are rated for hot water input, but limited to 120, some are limited to 140°, and you don't want to let it run for long without water coming out. It will also shorten the life of the pump, even if rated for hot water input. But warm water, like 100 is still better than cold water, however it's even more inconvenient than using just hot from say the wash tub. Now you have to run, adjust the faucets to mix etc...


If it can handle warm/hot input it should say it in the specs.
A lot of on-demand water heaters have a thermostat you can adjust to that safe range.
 

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I didn't think i needed a power washer until I started reading this thread.

So gasoline is the way to go and not electric?
That is what I gathered...
 

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I didn't think i needed a power washer until I started reading this thread.

So gasoline is the way to go and not electric?
That is what I gathered...
If youre going to do it, do it right! I just got this.

4000psi, 4.0 GPM, electric start 13HP Honda GX 390, CAT Pump, all aluminum cart

 

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I also have this in my garage. Its electric, only 1800psi and 2.0 gpm. But, its great for washing cars, hosing out the garage, etc. Its quite nice to walk up, unroll the hose and flick a switch to make it work. A lot less hassle than a gas powered pressure washer.

 

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I didn't think i needed a power washer until I started reading this thread.

So gasoline is the way to go and not electric?
That is what I gathered...
All depends on usage.

I have an electric I have had for about 9 years, works great. Cheap Huffky (husky/hd) unit. Auto shut off stopped working, but it still works great.

I also have a large commercial gas unit, 13hp Honda engine, AR pump. I don't use it often. Check valves are failing as the gpm requirements were too much for the previous owners well, cavitation smokes check valves, I got it used for next to nothing.

With high flow units, if you starve them for water from not enough flow on input side, the check valves can fail due to actually sucking too hard and starving for water on old well systems. Had an issue with a company that takes care of a stadium in Detroit. Really long supply hoses as not a lot of water spickets, cheap small diameter hoses... Check valves would only last 1-2 months tops.

Also gas units if they sit, it's just like other gas equipment, carbs get gunky etc... Eventually I will fix it. But my electric one hasn't given up the ghost yet.

Gas is great if you are not near outlets.
 
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