Menu
Skip to main content
phone.svg 015395 66193email.svg sales@flowjet.co.uk
FacebookTwitterBlogYoutube
All Products
Brands
Machine Repair
Size Charts
Offers
Contact Us
Type to search
Type to search

Shop popular:

NEW Nilfisk Hot Pressure WashersPressure WashersMachine Parts by BrandPumps & SparesPopular High Pressure HosesHose ReelsNozzlesPressure Washer TriggersUnloader ValvesInterpump Service Kits

Free UK mainland delivery on orders over £200 excluding VAT

Speak to an Expert: 015395 66193

Finance Available

Rated 4.8 on Google

Repair Kits & SparesRepair Kits & Spares
Interpump Service/Repair Kit 121
Interpump Service/Repair Kit 121 – image 1

Interpump Service/Repair Kit 121

SKU: KIT121
Save 19%
exc. vat
inc. vat
Was
£246.82
£296.18
Now
£199.92
£239.90
In Stock
Order by 2 PM for next day delivery
  • Get finance on orders over £1000 Learn More
  • Free UK mainland delivery on orders over £200 excluding VAT
  • Bulk discounts available
  • Stock moves quickly. For large or urgent orders, call 015395 66193 to confirm availability.
  • Need assistance? Call 015395 66193

Overview

Interpump kit 121, a set of K9 valve internals for repairing the Interpump K9 flow sensitive unloader valve and restoring its pressure regulation.

Specification

Part numberKIT121
BrandInterpump
KitKit 121
Kit typeUnloader repair kit
Contents1 x K9 valve internals set

Compatibility

Fits the Interpump K9 unloader valve.

For technical advice or help choosing a part, call 015395 66193 or email sales@flowjet.co.uk.

    Related Products

    01 — 00
    Interpump Service/Repair Kit 106

    Interpump Service/Repair Kit 106

    SKU: KIT106
    Out of Stock
    Was £162.18 ex vat£157.64 inc. vat£131.37 ex vat
    Interpump Service/Repair Kit 107

    Interpump Service/Repair Kit 107

    SKU: KIT107
    In Stock
    Was £51.91 ex vat£50.46 inc. vat£42.05 ex vat
    Interpump Service/Repair Kit 113

    Interpump Service/Repair Kit 113

    SKU: KIT113
    In Stock
    Was £93.45 ex vat£90.83 inc. vat£75.69 ex vat
    Interpump Service/Repair Kit 115

    Interpump Service/Repair Kit 115

    SKU: KIT115
    In Stock
    Was £120.53 ex vat£117.16 inc. vat£97.63 ex vat
    Interpump Service/Repair Kit 116

    Interpump Service/Repair Kit 116

    SKU: KIT116
    In Stock
    Was £31.83 ex vat£30.94 inc. vat£25.78 ex vat
    Interpump Service/Repair Kit 119

    Interpump Service/Repair Kit 119

    SKU: KIT119
    Out of Stock
    Was £14.45 ex vat£14.04 inc. vat£11.70 ex vat
    Interpump Service/Repair Kit 120

    Interpump Service/Repair Kit 120

    SKU: KIT120
    Out of Stock
    Was £33.07 ex vat£32.15 inc. vat£26.79 ex vat
    Interpump Service/Repair Kit 122

    Interpump Service/Repair Kit 122

    SKU: KIT122
    Out of Stock
    Was £346.92 ex vat£337.21 inc. vat£281.01 ex vat

    Get 10% Off Your First Order

    Join our trade list for new-stock alerts, clearance deals and expert cleaning tips. View our Privacy Policy. Unsubscribe at any time.

    Flowjet Cleaning Equipment is a family-run

    business dealing in commercial and industrial

    Pressure Washers

    Customer Service
    Contact UsAbout UsOur BrochuresServicing & RepairMachine Collection & Repair ServiceFinance
    Charts and Drawings
    Pressure Washer Nozzle ChartFoam Nozzle Size ChartParts DrawingFAQsDrone Cleaning EquipmentElectric Motor Sizing Guide
    Information
    Delivery & ReturnsTerms & ConditionsPrivacy PolicyCookie Policy
    Address

    Flowjet Cleaning Equipment LTD

    Unit 4, Gatebeck Farm

    Gatebeck, Kendal

    LA8 0HW

    United Kingdom

    015395 66193sales@flowjet.co.uk
    © 2026. Flowjet Cleaning Equipment Ltd. All rights reserved. Company No. 07548943 / VAT No. 946227313Built by Vitara Commerce
    FacebookTwitterBlogYoutube

    PROMO: Get 10% OFF

    Would you like to save 10% on your order today? Enter your email address to receive a discount code!

    By signing up, you agree to receive marketing emails. View our privacy policy and terms of service for more info.