Recent content by Wayne G.

  1. W

    Using sewer jetting hose for power washing

    Searched the forums and cant find any posts on this. When I wash flat surfaces I am at 8gpm and 3500 psi when using 100 ft. of 3/8" ID 4000psi typical high pressure hose. I want to go to 100 ft. of 1/2" ID hose to reduce pressure/flow loss. 1/2" ID 4000 psi sewer jetting hose is cheaper and...
  2. W

    5000psi ball valve problem

    Thanks Mark. Who makes the valve # 4997 and how much is it?
  3. W

    5000psi ball valve problem

    On occasions when I am running 8 or 9 gpm and 3500psi with spikes higher than that when the gun is closed. I am having a big problem finding a two way 3/8â€￾ carbon steel ball valve that can handle that. I have some ALCO PB3NS-LS 6000psi that I like OK but they are $100/ea and I have to buy...
  4. W

    Vertical black stains on dryvit

    Tall light colored dryvit walls with a lot of long, black vertical stains. Looks like mold, but have tried different concentrations of bleach up to 6% with a little success. Getting up close with low pressure removes it, the problem is that these walls are 40-50 feet tall above a shingle roof...
  5. W

    Gum Removal

    Is there any way to remove gum from concrete with a cold water unit? And when gum is removed from concrete with a hot water unit does it always leave a shadow?
  6. W

    Need feedback on AR Pumps!

    Need feedback on the brand in general and specifically the direct drive RKV5G40 (5gpm @ 4000psi)
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