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

ValvesValves
BACKFLOW PREVENTER
BACKFLOW PREVENTER – image 1

BACKFLOW PREVENTER

SKU: 73420
exc. vat
inc. vat
Price
£65.10
£78.12
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

Black plastic backflow preventer with 3/4" male threads, which isolates the drinking water supply from the circuit that feeds the cleaner.

Specification

  • Part number: 73420
  • Inlet: 3/4" BSP male
  • Outlet: 3/4" BSP male
  • Material: plastic
  • Colour: black
  • Maximum flow: 35 l/min
  • Minimum pressure: 1 bar
  • Maximum pressure: 10 bar

    Related Products

    01 — 00
    1/2" BRASS NON RETURN VALVE

    1/2" BRASS NON RETURN VALVE

    SKU: 733054
    In Stock
    £13.68 inc. vat£11.40 ex vat
    YORK 3/4" BRASS NON RETURN VALVE

    YORK 3/4" BRASS NON RETURN VALVE

    SKU: 73310
    In Stock
    £15.84 inc. vat£13.20 ex vat
    3/4" BRASS NON RETURN VALVE

    3/4" BRASS NON RETURN VALVE

    SKU: 733104
    In Stock
    £18.96 inc. vat£15.80 ex vat
    YORK 1" BRASS NON RETURN VALVE

    YORK 1" BRASS NON RETURN VALVE

    SKU: 73320
    In Stock
    £20.40 inc. vat£17.00 ex vat
    1.1/4" BRASS NON RETURN VALVE

    1.1/4" BRASS NON RETURN VALVE

    SKU: 733304
    Available on backorder
    £23.76 inc. vat£19.80 ex vat
    BACK FLOW PREVENTOR

    BACK FLOW PREVENTOR

    SKU: 73410
    In Stock
    £121.20 inc. vat£101.00 ex vat
    NON RETURN VALVE, 1/4" F

    NON RETURN VALVE, 1/4" F

    SKU: GS100
    Available on backorder
    £49.08 inc. vat£40.90 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.