What temps and why?

Solopressure washer

Solopressure washer

New member
Newbie question on hot water. I have read that some like it hot 180- 160 range and hotter for flat work or cement. Besides what you are cleaning or the job, is there to much heat for concrete, or types of surfaces that is to hot. Also with different chems what are the ranges for say SH before it becomes less effective on the job. Understand about pretreatment, dwell time,and the right chem for the job. Running 2 PW together with 8 GPM around 2400 depending on the tip up to 3000. Also if the heat is only raised to 100 deg is it even worth it to have? Trying to learn before investing in a small hot box, to aid in gum removal,oil and so on. I am looking for that day when I have worked booked 5 or 6 days/ nights in advance. Thanks to all in advance.
 
Water out of a faucet around here is 65 - 75 degrees, so add 100. That would make a noticeable difference when your cleaning really dirty concrete and popping gum. You need to get above 200 if your cleaning heavy grease build up.
 
Ralph Q said:
Can a pressure pro hot water super skid get above 200? I have read they have shorter coils. If you start at 65-75 degrees it should get a good head start.
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Ralph, somewhere around here there's a post by Bill Wilson that lists heat-rise stats for various manufacturers. I recall that Pressure Pro was the worst. Best was Water Dragon followed closely by Hydro Tech. Big spread between best and worst.
 
Nick L said:
Water out of a faucet around here is 65 - 75 degrees, so add 100. That would make a noticeable difference when your cleaning really dirty concrete and popping gum. You need to get above 200 if your cleaning heavy grease build up.
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So compared to shaveing...hot water is the way to go. Now how much drop in temp with 400 feet 3/8 hose? and is there any advantage to run 1/2 hose for more volume of water and less in temp drop but running 100 feet of hose. I am sure that after 1/2 hour of working 1/2 hose will wear you down fast, just learning if it would help or not. Also I have read with 10GPM 1/2 hose is a must but what about 9 or 8 GPM?
 
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