I think most pressure washers advertise how many gallons per minute they put out. In should equal out so you will need some manner of delivering 2 or 3 gallons per minute or whatever the rate is to the intake side. Don't know whether that can be accomplished by gravity if the tank is high enough or if you need some sort of pump in line on the intake side of the pressure washer.
I am sort of wondering about something similar. I want to take the pressure washer out to the lake this spring. The water at the lake is pumped out of the lake and up a hill to the cottage. Pressure at the pump is 50# or more but not up at the cottage. I am wondering if the amount of water available will be sufficient for the pressure washer. I have been wondering about whether I might need to have a resevoir of some sort (a barrel) at the cottage end and a second pump to bring the pressure back up to something more usable. Also wonder about running a larger hose from the pump up to the cottage. Volume may be more of an issue than pressure. Time will tell. Randy -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Wednesday, April 09, 2008 7:39 AM To: mercedes@okiebenz.com Subject: Re: [MBZ] OT pressure washing from rain barrels? I tried it one time to pull water out of a 5gallon jerry can.? It did not work.? Elevating the can did not help.? It seems like it should work.? I hope we hear from someone who had success. Jim in Phoenix -----Original Message----- From: Rolf <[EMAIL PROTECTED]> To: Mercedes Discussion List <mercedes@okiebenz.com> Sent: Tue, 8 Apr 2008 11:29 am Subject: [MBZ] OT pressure washing from rain barrels? Anyone know if its required to have pressure on the intake or if I can just run a hose to some 55gal rain barrels I have? The rain barrels are great, fill up in one decent rain on avg, highly recommended for those of us in drought country. -Rolf _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com