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  1. #1
    Member Sophomore Undergraduate
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    Jun 2013
    Location
    Rogersville, AL
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    50

    Replacement Pump

    I have a one year old Simpson 3800 PSI, 3.5 GPM washer. Iíve had problems out of the unloader valve and losing pressure sometimes and flow. I pulled the pump off and all the valves and rings look good. Iím thinking itís the unloader only, but was wanting to upgrade the pump anyways and thought about going with a 4000 PSI 4 GPM pump. It has a GX 270 motor that has 8.4 HP and turns 3600 RPM power output.

    Do yall think this will turn a larger pump? If so, it has a AAA pump now
    but I was looking at the GP brand. If the pump is a direct shaft and I order the correct shaft size, they should work correct?

    Whats your pump recommendations in that range that wonít break the bank?

    Thanks
    Chad's Pressure Washing and Gutter Cleaning
    "A lot of Clean for a Little Green"
    Florence/Quad Cities-Athens-Madison-Hunstville

  • #2
    Member Sophomore Undergraduate
    Join Date
    Jun 2013
    Location
    Rogersville, AL
    Posts
    50
    *****
    Chad's Pressure Washing and Gutter Cleaning
    "A lot of Clean for a Little Green"
    Florence/Quad Cities-Athens-Madison-Hunstville

  • #3
    Equipment Expert 3000 PLUS POSTER Russ Johnson's Avatar
    Join Date
    Sep 2001
    Location
    Louisville, KY
    Posts
    3,717
    So it's a direct drive pump?
    General EZ4040
    AR RKV4G40, 4.5G40, 5G40, and 5.5G40 will all work fine. With a 9 hp, your pressure will be reduced.

  • #4
    Exterior Restoration Specialist 21000 PLUS POSTER Ron Musgraves's Avatar
    Join Date
    Aug 2001
    Location
    Phoenix Arizona
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    46,080
    What to look for when Buying Pressure Washer Pumps

    Whether you call them outdoor cleaners, power washers or pressure cleaners, all pressure washers work the same. Water enters the machine at low pressure and a gas engine or electric motor pumps water through a hose and a spray nozzle at higher pressure...........
    Click here
    Ron Musgraves

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    1-888-Fleetwash or text me 480-522-5227 Phoenix AZ www.propowerwash.com

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    We own and operate a great Cleaning Service in Phoenix Arizona as well as provide fantastic
    Pressure Washing services.







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