Pressure washer unloader valve will protect against over pressurization

Easy to read and understand information about everything that you
will ever need to know about a pressure washer unloader valve. Read More…

Quantum Z Unloader

Super Soft Touch
Installed on most Allison Iron Horse/Warhorse Pressure Washers

Click Price to Order
Part #: AU1145 11 GPM & 4500 PSI
$149.95
Part #: AU2145 up to 21 GPM & 4050 PSI
$149.95.

VB-10 Unloader

Super Soft Touch
Up to 3,800 PSI & 8 GPM
3/8” FPT In/Out

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Part #: 1108 – PA VB-10
$87.95
Part #: 1108A – ALLISON VB-10
$59.95

Giant Unloader

Flow Actuated
3300 PSI, up to 7 GPM
3/8″ FPT In, 3/8″ MPT Out, 1/2″ F BYPASS

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Part #: DG63-1 3.0-4.9 GPM
$89.95
Part #: DG63-2 4.5-6.9 GPM
$89.95

ZK-7 Unloader

(PDF Breakdown)

ZK-7 Pricing

Flow Actuated
Up to 3,500 PSI
3/8” FPT Inlet/Outlet
Unique Zero Surge Bypass Orifice

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Part #: 1089 2.1 to 2.9 gpm    $84.95
Part #: 1090 2.9 to 4.2 gpm    $84.95
Part #: 1091 4.2 to 6.6 gpm    $84.95
Part #: 1092 6.6 to 10.8 gpm $84.95

ZK-7 Kits

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By-Pass Nipple for K7.0 #GE1770 $16.43
By-Pass Nipple for K7.2 #GE1870 $16.43
Nozzle for K7.0 #GE7666 $14.95
Nozzle for K7.1 #GE7766 $14.95
Nozzle for K7.2 #GE6266 $14.95
Nozzle for K7.3 #GE6366 $14.95
Outlet Nozzle for K7.2 and K7 #GE6070 $17.95
Part # 1789 Repair Kit for all K-7’s
includes: (1) 90384900, (1) 90505200, (1) 90382000, (1) 701012, (1) 94746400, (1) 90276600, (1) 90256500, (1) 90506300, (1) 90383300, (1) 90382300, (1) 90386300, (2) 701013, (1) 701126, #1789 $22.95

ZK-1 Unloader

Flow Actuated
Up to 3,600 PSI & 10.8 GPM
3/8″ In/Out

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Part #: 1096
$79.95

ZK-9 Unloader

Flow Actuated
Up to 5,800 PSI & 13 GPM
1/2″ In/Out/Bypass

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Part #: 1093
$359.95

AL-607 Unloader

Pressure Actuated
Up to 4,500 PSI & 8 GPM
3/8″ FPT In, 3/8″ MPT Out

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Part #: 1114 with knob
$39.95
Part #: 1114A without Knob
$35.95
Kit Part #: 1113 $15.95

PULSAR-4-LP Unloader

Pressure Actuated
Up to 2,600 PSI & 10.5 GPM
3/8″ FPT In, 3/8″ FPT Out

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Part #: 3014
$59.95

PULSAR-4-HP Unloader

Pressure Actuated
Up to 4,500 PSI & 10.5 GPM
3/8″ FPT In, 3/8″ FPT Out

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Part #: 3015
$52.95

Allison Warhorse Unloader

Pressure Actuated
Up to 4,500 PSI & 21 GPM
Great for 2-Gun Systems
1/2″ In/Out/Bypass

Click Price to Order
Part #: WH-4120
$109.95

YU-2140-A Unloader

Pressure Actuated
Up To 4500 PSI & 21 GPM
Best for Dual Gun Setups
1/2” Inlet, 1/2″ Outlet, 2-By-pass ports

Click Price to Order
Part #: 1101
$109.95
Kit Part #: 1103
$26.95

YU-2848 Unloader

Pressure Actuated
Up To 5000 PSI & 24 GPM
Great for Dual Gun Setups
1/2” Inlet, 1/2″ Outlet

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Part #: YU2848
$99.95

VB-350 Unloader

Pressure Actuated
Up to 5,650 PSI & 10.5 GPM
3/8” FPT In, 3/8” MPT Out

Click Price to Order
Part #: 2032
$89.95
Kit Part #: 2033
$44.95

Unloader By-pass Hose

The Only Recommended
Unloader By-pass Hose
This 500 PSI hose is the only
recommended hose for by-passing the water.

Click Price to Order
Part # 3399 – 3/8″ Per Ft. $1.81
Part # 3400 – 1/2″ Per Ft. $1.89
Part # 3401 – 3/4″ Per Ft. $1.98

Unloader Mounting Blocks

“Takes the load off the pump head”
Great for remote unloader mounting when mounting space is limited.

Click Price to Order
Part # 1081 3/8 x 3 Ports (left)
$21.95
Part # 1082 1/2 x 3/8
$12.95
Part # 1083 1/2 x 1/2
$12.95

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for some great information about unloaders.
When you come to our Power Wash Academy’s Systems Certification School
we will teach you how to FIX ANY unloader in under 1-minute!