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

- × Auto Control with Time Delay Stop 415V 5.5kW
  
  Vendor:
  
  1 × $1,000.00
- × Bertolini Kit 28 Water Seal Kit KT
  
  Vendor:
  
  1 × $203.62
- × HMS4322BBARE
  
  Vendor:
  
  1 × $6,983.00
- × SP Motor Flange
  
  Vendor:
  
  1 × $350.00
- × YMF3213
  
  Vendor:
  
  1 × $8,345.00
- × Mazzoni Kit Ceramic Piston 20mm MMD-CW
  
  Vendor:
  
  1 × $37.01
- × MV Rotojet 400045 Turbo Head
  
  Vendor:
  
  1 × $274.40
- × 14" Whirl A Way With Brush
  
  Vendor:
  
  1 × $187.00
- × Interpump Oil Seal Shaft 25x65x10/25x62x10
  
  Vendor:
  
  1 × $16.57
- × TSX10-130
  
  Vendor:
  
  1 × $2,912.22
- × Bolt Motor Flange 5/16" UNF 3/
  
  Vendor:
  
  1 × $3.00
- × MV Quick Coupling ARF 3P Part B 3/8" M
  
  Vendor:
  
  1 × $23.82
- × Battery 12V 14AH AGM*
  
  Vendor:
  
  1 × $114.00
- × MV Rotojet 255045 Repair Kit
  
  Vendor:
  
  1 × $72.57
- × Fuel Filter Kohler KDW2204 K2175286
  
  Vendor:
  
  1 × $58.66
- × Wagner PC15 Stator 0348311*
  
  Vendor:
  
  1 × $350.00
- × NP Pump Body
  
  Vendor:
  
  1 × $450.00
- × Bertolini Pump TTK3021
  
  Vendor:
  
  1 × $2,230.41
- × Mazzoni Kit Cylinder 25mm GM-CW
  
  Vendor:
  
  1 × $103.39
- × Elbow Hose Tail Brass 3/4" Male x 3/4" Tail
  
  Vendor:
  
  1 × $19.52
- × Cap for H T Leads 10000 OHM
  
  Vendor:
  
  1 × $8.53
- × PA VB80/280 Check Valve
  
  Vendor:
  
  1 × $15.59
- × PA Foam Injector 1/4" BSPT M 2.5mm
  
  Vendor:
  
  1 × $31.86
- × Cross Quad Brass 1/2" Female
  
  Vendor:
  
  1 × $31.08
- × Interpump Quick Connect Part A 3/8" M
  
  Vendor:
  
  1 × $11.12
- × Regulator Honda 31620ZG5033*
  
  Vendor:
  
  1 × $265.74
- × MV Rotating Sewer Nozzle 3/8" F
  
  Vendor:
  
  1 × $79.58
- × VB5021-12V
  
  Vendor:
  
  1 × $6,010.00
- × VALVES PUMP GM-1 Ø20 - Ø22 KIT
  
  Vendor:
  
  1 × $96.00
- × PA VB85RV/310 Unloader Valve with Knob
  
  Vendor:
  
  1 × $314.60
- × Interpump Head Brass WW Series 8.90
  
  Vendor:
  
  1 × $701.26
Subtotal: $31,299.55

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:
31

Search for:

HomeAccessoriesValvesUnloader ValvesInterpump K5 Unloader Valve

“Interpump Head Brass WW Series 8.90” has been added to your cart. View cart

Interpump K5 Unloader Valve

Accessories, Automatic Unloader Valve, Unloader Valves, Valves

Interpump K5 Unloader Valve

Interpump K5 Unloader Valve 3000psi, 41L/M, 3/8″

$209.01 Including Taxes

Interpump K5 Unloader Valve quantity

Description
Reviews
Vendor Info
More Products

Interpump K5 Unloader Valve 3000psi, 41L/M, 3/8″

SKU: IPZK5 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 K5 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!

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
Mazzoni Parts, Mazzoni Pump Kits, Mazzoni Pump Parts, Mazzoni Seal Kits, Parts
SEALS ø20 PUMP GM-1 KIT
Mazzoni Parts, Mazzoni Pump Kits, Mazzoni Pump Parts, Mazzoni Seal Kits, Parts
SEALS ø20 PUMP GM-1 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: MZP9.003.005
$113.23 Including Taxes
Add to cart

Compare
Uncategorized
Pressure Vessel 10Bar 25Lt 806058
Uncategorized
Pressure Vessel 10Bar 25Lt 806058

0 out of 5
(0)

SKU: SUBVESSEL10BAR
$326.70 Including Taxes
Add to cart

Compare
Quick Couplings
Interpump Quick Connect Part B 1/4″ M
Quick Couplings
Interpump Quick Connect Part B 1/4″ M

0 out of 5
(0)

Interpump Quick Connect Part B 1/4″ M

SKU: IPZINB1/4M
$28.07 Including Taxes
Add to cart

Compare
Fittings
Nipple Steel 3/8″ Male x 1/2″ Male
Fittings
Nipple Steel 3/8″ Male x 1/2″ Male

0 out of 5
(0)

SKU: CESNIP3/8Mx1/2M
$7.85 Including Taxes
Add to cart

Compare
Uncategorized
Taper Lock 2510 30mm
Uncategorized
Taper Lock 2510 30mm

0 out of 5
(0)

SKU: CETAPERLOCK2510-30
$37.40 Including Taxes
Add to cart

Compare

Related products

Accessories, Nozzles, Sand Blaster Head
PA Sand Blaster Head 2mm
Accessories, Nozzles, Sand Blaster Head
PA Sand Blaster Head 2mm

0 out of 5
(0)

PA Sand Blaster Head 2mm

SKU: PA25000020
$248.89 Including Taxes
Add to cart

Compare
Accessories, Nozzles, Sand Blaster Head
PA Adjustable Probe Sand Blast 21mm Inlet
Accessories, Nozzles, Sand Blaster Head
PA Adjustable Probe Sand Blast 21mm Inlet

0 out of 5
(0)

PA Adjustable Probe Sand Blast

SKU: PA25030020
$159.29 Including Taxes
Add to cart

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, Drain Nozzles, Nozzles, Retro Jet
PA Drain Nozzle 3/8″M 060
Accessories, Drain Nozzles, Nozzles, Retro Jet
PA Drain Nozzle 3/8″M 060

0 out of 5
(0)

PA Drain Nozzle 3/8″M 060 1F 8B 3650psi

SKU: PA25121051
$46.97 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
Interpump Quick Connect Part A 3/8" F $11.12 Including Taxes
MV Boom Bracket Wall Mount $1,097.64 Including Taxes

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 *

Name

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