Skip to navigation Skip to content

Become a Dealer
Find a Dealer

Track Your Order
Shop
Login

Best Deals
Top 100 Offers
Latest Products
Price List
Products
- Choose a Category
  
  Pressure Cleaners
  
  Water Jetters
  
  Pumps
  
  Motors
  
  Valves
  
  Tanks
  
  Mazzoni Pump Parts
  
  See all Accessories.Discover more products
  Parts & Accessories
  
  Hoses
  
  Guns
  
  Lances
  
  Fittings
  
  Quick Couplings
  
  Batteries
  
  Hose Reels
Industries
- Car Wash
  
  Cleaning
  
  Construction
  
  Demolition
  
  Excavation
  
  House Washing
  
  Infrastructure
  
  Land Fill
  
  Become our Dealer!Schedule an appointment
  Pest Control
  
  Plumbing
  
  Restoration
  
  Roof Cleaning
  
  Sewer
  
  Ware House
  
  Waste
Mazzoni
- Industrial High Pressure
  
  Mazzoni High Pressure Pumps
  
  Mazzoni Electric Motors
  
  Mazzoni Kits & Accessories
  
  Mazzoni Hot Machines
  
  Discover our productsSee all of Mazzoni Products
  Professional Pressure Washers
  
  Mazzoni Hydraulic Machines
  
  Mazzoni Cold Machines
Resources
- Documents & ManualsFind all the documentation you need for all our products and machines we have available.
  
  Service & RepairsSee warranty details below. For more information about all our terms and conditions please visit the Customer Help page.
  
  Warranty / T&C'sOur team of professional mechanics are here to provide you with the best Service and repairs in the industry. Contact us now to schedule your next visit with our team.
  
  Here to HelpNeed further assistance? Contact our Helpful team of professionals directly.
  Contact us here.
Doc’s & Manuals
- MACHINESFind Documentation and Manuals for all our Machines
  
  PUMPSFind Documentation and Manuals for all our Pumps
  
  MOTORSFind Documentation and Manuals for all our Motors
  
  See All Docs & ManualsBrowse all
  ACCESSORIES
  Find Documentation and Manuals for all Accessories
  
  PARTSFind Documentation and Manuals for all Parts
  
  PLUMBINGFind Plumbing related Documentation and Manuals
History
Testimonials
News & Updates
Contact Us

RefinEquip
Nova Pumps
Interpump
Colussi Group
History
News & Updates

Support: +61 29817 5433

Contact: Send Us an Email

Shop By Categories

Best Deals
Top 100 Offers
Latest Products
Price List
Products
- Choose a Category
  
  Pressure Cleaners
  
  Water Jetters
  
  Pumps
  
  Motors
  
  Valves
  
  Tanks
  
  Mazzoni Pump Parts
  
  See all Accessories.Discover more products
  Parts & Accessories
  
  Hoses
  
  Guns
  
  Lances
  
  Fittings
  
  Quick Couplings
  
  Batteries
  
  Hose Reels
Industries
- Car Wash
  
  Cleaning
  
  Construction
  
  Demolition
  
  Excavation
  
  House Washing
  
  Infrastructure
  
  Land Fill
  
  Become our Dealer!Schedule an appointment
  Pest Control
  
  Plumbing
  
  Restoration
  
  Roof Cleaning
  
  Sewer
  
  Ware House
  
  Waste
Mazzoni
- Industrial High Pressure
  
  Mazzoni High Pressure Pumps
  
  Mazzoni Electric Motors
  
  Mazzoni Kits & Accessories
  
  Mazzoni Hot Machines
  
  Discover our productsSee all of Mazzoni Products
  Professional Pressure Washers
  
  Mazzoni Hydraulic Machines
  
  Mazzoni Cold Machines
Resources
- Documents & ManualsFind all the documentation you need for all our products and machines we have available.
  
  Service & RepairsSee warranty details below. For more information about all our terms and conditions please visit the Customer Help page.
  
  Warranty / T&C'sOur team of professional mechanics are here to provide you with the best Service and repairs in the industry. Contact us now to schedule your next visit with our team.
  
  Here to HelpNeed further assistance? Contact our Helpful team of professionals directly.
  Contact us here.
Doc’s & Manuals
- MACHINESFind Documentation and Manuals for all our Machines
  
  PUMPSFind Documentation and Manuals for all our Pumps
  
  MOTORSFind Documentation and Manuals for all our Motors
  
  See All Docs & ManualsBrowse all
  ACCESSORIES
  Find Documentation and Manuals for all Accessories
  
  PARTSFind Documentation and Manuals for all Parts
  
  PLUMBINGFind Plumbing related Documentation and Manuals
History
Testimonials
News & Updates
Contact Us

Search for:

My Account

Returning Customer ?

Sign in

Don't have an account ?

Register

- × Interpump Piston Guide W425 W355
  
  Vendor:
  
  1 × $329.83
- × Bertolini Ceramic Bolt TTK
  
  Vendor:
  
  1 × $11.72
- × CERAMIC PISTON D.20 PUMP LM KIT
  
  Vendor:
  
  1 × $132.93
- × PA Blue Chemical Injector Extended 3/8" BSP mm
  
  Vendor:
  
  1 × $86.10
- × PA RL84 Lance Extension 400mm
  
  Vendor:
  
  1 × $238.93
- × Mazzoni Kit Seal 22mm GM-CW
  
  Vendor:
  
  1 × $125.54
- × Nozzle Penciljet SS 1/4" Meg 0* 70
  
  Vendor:
  
  1 × $17.14
- × Ignition Switch Honda 35100Z5T811*
  
  Vendor:
  
  1 × $175.67
- × CERAMIC PISTON D.20 PUMP LM KIT
  
  Vendor:
  
  1 × $132.93
- × Bertolini Copper Lg 14 x 38 x 0.5 TTK
  
  Vendor:
  
  1 × $5.17
- × HMS2213
  
  Vendor:
  
  1 × $3,261.00
- × Hannsen Snap on 1/4" Body Female
  
  Vendor:
  
  1 × $24.00
- × Interpump Gearbox RS500 1"
  
  Vendor:
  
  1 × $627.26
- × Philmac Brass 3/4" Float Valve*
  
  Vendor:
  
  1 × $155.00
- × Fuel Filter Yanmar 114250-55122*
  
  Vendor:
  
  1 × $39.30
- × Interpump Kit 42 Intermediate Ring
  
  Vendor:
  
  1 × $147.40
- × Elbow Brass 1/2" Male x 1/2" Female
  
  Vendor:
  
  1 × $14.66
- × HMS5021BARE
  
  Vendor:
  
  1 × $7,001.00
- × Mazzoni Kit Cylinder 18mm PMD-CW
  
  Vendor:
  
  1 × $66.46
- × MV Boom Bracket Wall Mount
  
  Vendor:
  
  1 × $1,097.64
- × Oring Carbon Viton
  
  Vendor:
  
  1 × $6.00
- × Interpump Valve Bushing W425 W355
  
  Vendor:
  
  1 × $746.70
Subtotal: $14,442.38

View cart Checkout

Best Deals
Top 100 Offers
Latest Products
Price List
Products
- Choose a Category
  
  Pressure Cleaners
  
  Water Jetters
  
  Pumps
  
  Motors
  
  Valves
  
  Tanks
  
  Mazzoni Pump Parts
  
  See all Accessories.Discover more products
  Parts & Accessories
  
  Hoses
  
  Guns
  
  Lances
  
  Fittings
  
  Quick Couplings
  
  Batteries
  
  Hose Reels
Industries
- Car Wash
  
  Cleaning
  
  Construction
  
  Demolition
  
  Excavation
  
  House Washing
  
  Infrastructure
  
  Land Fill
  
  Become our Dealer!Schedule an appointment
  Pest Control
  
  Plumbing
  
  Restoration
  
  Roof Cleaning
  
  Sewer
  
  Ware House
  
  Waste
Mazzoni
- Industrial High Pressure
  
  Mazzoni High Pressure Pumps
  
  Mazzoni Electric Motors
  
  Mazzoni Kits & Accessories
  
  Mazzoni Hot Machines
  
  Discover our productsSee all of Mazzoni Products
  Professional Pressure Washers
  
  Mazzoni Hydraulic Machines
  
  Mazzoni Cold Machines
Resources
- Documents & ManualsFind all the documentation you need for all our products and machines we have available.
  
  Service & RepairsSee warranty details below. For more information about all our terms and conditions please visit the Customer Help page.
  
  Warranty / T&C'sOur team of professional mechanics are here to provide you with the best Service and repairs in the industry. Contact us now to schedule your next visit with our team.
  
  Here to HelpNeed further assistance? Contact our Helpful team of professionals directly.
  Contact us here.
Doc’s & Manuals
- MACHINESFind Documentation and Manuals for all our Machines
  
  PUMPSFind Documentation and Manuals for all our Pumps
  
  MOTORSFind Documentation and Manuals for all our Motors
  
  See All Docs & ManualsBrowse all
  ACCESSORIES
  Find Documentation and Manuals for all Accessories
  
  PARTSFind Documentation and Manuals for all Parts
  
  PLUMBINGFind Plumbing related Documentation and Manuals
History
Testimonials
News & Updates
Contact Us

Search

Search for:
22

Search for:

HomeAccessoriesValvesUnloader ValvesInterpump K9 Unloader Valve

“Interpump Valve Bushing W425 W355” has been added to your cart. View cart

Interpump K9 Unloader Valve

Accessories, Automatic Unloader Valve, Unloader Valves, Valves

Interpump K9 Unloader Valve

Interpump K9 Unloader Valve 5800psi, 50L/M, 1/2″

$1,094.63 Including Taxes

Interpump K9 Unloader Valve quantity

Description
Reviews
Vendor Info
More Products

Interpump K9 Unloader Valve 5800psi, 50L/M, 1/2″

SKU: IPZK9 Categories: Accessories, Automatic Unloader Valve, Unloader Valves, Valves Tags: Accessories, Automatic, Unloader Valves, Valves

Based on 0 reviews

0.0 overall

0

0

0

0

0

Be the first to review “Interpump K9 Unloader Valve” Cancel reply

Your Rating

Your Review

Name *

Email *

Save my name, email, and website in this browser for the next time I comment.

There are no reviews yet.

Vendor Information

No ratings found yet!

Uncategorized
Interpump Bearing Cap ORing WS202 Series 47
Uncategorized
Interpump Bearing Cap ORing WS202 Series 47

0 out of 5
(0)

SKU: IP90391300
$2.31 Including Taxes
Add to cart

Compare
Valves
PA Pulsar RV Unloader White Spring
Valves
PA Pulsar RV Unloader White Spring

0 out of 5
(0)

SKU: PA60000700
$199.11 Including Taxes
Add to cart

Compare
Uncategorized
Interpump Backing Ring ORing T88
Uncategorized
Interpump Backing Ring ORing T88

0 out of 5
(0)

SKU: IP90390300
$2.44 Including Taxes
Add to cart

Compare
Uncategorized
Interpump Backing Plate ORing 8-90
Uncategorized
Interpump Backing Plate ORing 8-90

0 out of 5
(0)

SKU: IP90391700
$3.14 Including Taxes
Add to cart

Compare
Mazzoni Ceramic Pistons, Mazzoni Parts, Mazzoni Pump Kits, Mazzoni Pump Parts, Parts
CERAMIC PISTON ø18 PUMP PMD KIT
Mazzoni Ceramic Pistons, Mazzoni Parts, Mazzoni Pump Kits, Mazzoni Pump Parts, Parts
CERAMIC PISTON ø18 PUMP PMD KIT

0 out of 5
(0)

[cg_accordion title=”Typical Applications”] Aviation Industry Hotels and Apartments Cleaning Contractors Garages Retail Stores Car Detailers Office Buildings Large Workshops and Factories Car Wash [/cg_accordion] [INSERT_ELEMENTOR id=””]

SKU: MZP9.004.023
$46.77 Including Taxes
Add to cart

Compare
Uncategorized
Interpump Backing Plate ORing W98 Series50/44
Uncategorized
Interpump Backing Plate ORing W98 Series50/44

0 out of 5
(0)

SKU: IP90392000
$3.75 Including Taxes
Add to cart

Compare

Related products

Accessories, Car Wash, Vacuum Cleaners, Ware House
KC3005 Pressure Washer
Accessories, Car Wash, Vacuum Cleaners, Ware House
KC3005 Pressure Washer

0 out of 5
(0)

[cg_accordion title=”Typical Applications”]Professional cold water high pressure cleaner, with frame fixed on 2 pneumatic wheels plus 1 swivel. Compact, handy, ideal for every need of outdoor cleaning, versatile and high performance.[/cg_accordion] [INSERT_ELEMENTOR id=””]

SKU: 3.023.14.354

Read more

Compare
Accessories, Drain Nozzles, Nozzles, Spinning
PA URF180 Rotating Head
Accessories, Drain Nozzles, Nozzles, Spinning
PA URF180 Rotating Head

0 out of 5
(0)

PA URF 180 Rotating Head 2 x 1/8″ BSP 4050psi 30L/Min

SKU: PA25113000
$140.41 Including Taxes
Add to cart

Compare
Accessories, Foam Injector, Foamer Venturies, Nozzles, Venturies
PA Foam Injector 1/4″ BSPT M 2.5mm
Accessories, Foam Injector, Foamer Venturies, Nozzles, Venturies
PA Foam Injector 1/4″ BSPT M 2.5mm

0 out of 5
(0)

PA Foam Injector 1/4″ BSPT M 2.5mm

SKU: PA21080025
$31.86 Including Taxes
Add to cart

Compare
Accessories, Chemical Venturies, Venturies
PA Chemical Injector Adjustable 2.1mm 3/8″ F-M
Accessories, Chemical Venturies, Venturies
PA Chemical Injector Adjustable 2.1mm 3/8″ F-M

0 out of 5
(0)

PA Chemical Injector Adjustable 2.1mm 3/8″ F-M

SKU: PA21017021
$55.75 Including Taxes
Add to cart

Compare

- Show All Categories

Latest Products

18" Whirl A Way Plastic Cover $63.00 ~~$72.00~~ Including Taxes
Mazzoni Electric Motor Mec180 $6,395.07 Including Taxes
Mazzoni Electric Motor MEC132 Price range: $2,200.84 through $2,804.61 Including Taxes
Boom Arm 360* Roof Mount $930.57 Including Taxes
Interpump WW968C 15L/M 3625psi 3400rpm Series 44 $1,365.16 Including Taxes

Brands Carousel

Asturo

Bertolini

Bosch Rexroth

Briggs & Stratton

Colussi Engineering

Deodouriser

Graco

Honda

Interpump

Kohler Engines

Mazzoni

Mecline

PA

Teco

Vanguard Engines

Wagner

Wikai

Yanmar

Featured Products

Spark Arrestor Honda 30700Z0T821* $23.12 Including Taxes
Muffler/Exhaust Complete Honda 18310Z4M010* $28.28 Including Taxes
Ignition Switch Honda 35100Z6L003* $174.43 Including Taxes

Top Selling Products

PMD-CW13200
Burner Motor 240 / 50 $193.49 Including Taxes
VALVE CAP PMD M22x1.5, OR 2075

On-sale Products

Spark Arrestor Honda 30700Z0T821* $23.12 Including Taxes
Muffler/Exhaust Complete Honda 18310Z4M010* $28.28 Including Taxes
Ignition Switch Honda 35100Z6L003* $174.43 Including Taxes

Sign up to Newsletter

. . .for Product Restocks, New Releases!

Please enable JavaScript in your browser to complete this form.

Email *

Email

Got Questions ? Call us! +61 29817 5433

Contact Info

53 College Street, Gladesville, NSW, 2111

Let Us Help You

FAQ
Documents & Manuals
Price List
Refund and Returns Policy
Shipping Policy
Privacy Policy
Terms and Conditions

Get to Know Us

Find a Dealer
Become a Dealer
History
News & Updates
Testimonials
Find a Dealer
Store Directory

Customer Care

Track your Order
Customer Service
Returns/Exchange
Product Support
Financial Application
Price List
FAQs

© 2026 COLUSSI GROUP OF COMPANIES - All Rights Reserved

We Recommend

RefinEquip
Nova Pumps
Interpump
Colussi Group
News & Updates
History

My Account

My Account
Track your Order
Customer Service
Returns/Exchange
FAQs
Product Support

Customer Care

History
News & Tips
Testimonials
Store Directory
Documents & Manuals
Financial Application
Price List

About Us

FAQ’s
Warranty & T&C’s
Return Policy
Track your Order
Wishlist
Store Directory

Got Questions ? Call us! +61 29817 5433

* Name

* Email

* Phone No

Subject

* Enquiry

Sending...

Select at least 2 products
to compare

View comparison