Pipes/Fittings

Build, upgrade, or maintain your onboard water system with our range of RV pipes and fittings from John Guest, designed for caravans, motorhomes, campervans, and marine applications. Reliable plumbing connections are essential for ensuring a safe, leak-free, and efficient water system wherever you travel.

Our range includes a variety of push-fit pipes, connectors, elbows, tees, valves, and adaptors, making it easy to assemble or repair fresh water systems in RV installations. These components are designed for fast, secure connections without the need for specialist tools, helping simplify both DIY and professional plumbing setups.

John Guest fittings are widely regarded as industry-leading solutions for RV plumbing, known for their reliability, durability, and ease of installation. Suitable for a wide range of water system configurations, they are ideal for everything from small repairs through to full system builds and upgrades.

Whether you're replacing a damaged section, expanding your plumbing system, or completing a new installation, quality pipes and fittings are essential for long-term performance and peace of mind. Browse our range of caravan and motorhome plumbing components from John Guest to keep your water system running smoothly on every journey.

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  • 12mm Water Pipe Support Clips (pkt/10) JG

    JohnGuest

    12mm Water Pipe Support Clips (pkt/10) JG

    JG Speedfit is a push-fit system suitable for the plumbing of hot and cold water services in your motorhome. Specifications: 12mm 10 per pack
    $10.14
  • * 12mm Superthread Brass Fitting For Suburban Water Heater

    JohnGuest

    * 12mm Superthread Brass Fitting For Suburban Water Heater

    12mm x ½" BSPT Male Brass Fitting For Suburban W/Heater JG JG Speedfit is a push-fit system suitable for the plumbing of hot and cold water services in your motorhome. Specifications: 12mm Fits Suburban Water Heaters
    $21.49
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  • Valterra 3" Dump Hose Extension Fitting Valterra 3" Dump Hose Extension Fitting

    Valterra

    Valterra 3" Dump Hose Extension Fitting

    Valterra 3" Dump Hose Extension Fitting Easy to use attachment for extending a 3" dump hose.  The rotating bayonet fitting allows the hose more flexibility.  
    $24.99
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  • Valterra 1½" Dump Valve Kit With Blank Cap

    Valterra

    Valterra 1½" Dump Valve Kit With Blank Cap

    Valterra 1½" Dump Valve Kit With Blank Cap Slide Valve kit for emptying your waste water tank Kit Contains 1 x 1½" Dump Valve 1 x 1½" Dump Valve with Lugs 1 x Blank Cap  
    $60.00
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  • Valterra 3" Dump Valve Cap Valterra 3" Dump Valve Cap

    Valterra

    Valterra 3" Dump Valve Cap

    Valterra 3" Dump Valve Cap Valterra 3" blank dump valve cap with attachment strap
    $11.99
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  • Valterra 3" Hose Adaptor Elbow Valterra 3" Hose Adaptor Elbow

    Valterra

    Valterra 3" Hose Adaptor Elbow

    Valterra 3" Hose Adaptor Elbow Valterra 45° hose adaptor fits inside standard 3"(75mm) dump hose
    $10.49
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  • Valterra 3" Stainless Steel Hose Clamp

    Valterra

    Valterra 3" Stainless Steel Hose Clamp

    Valterra 3" Stainless Steel Hose Clamp Hose Clamp for 3" (75mm) Valterra dump hose.  Stainless steel for durability - no rusting.
    $9.99
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  • Valterra Horst Miracle Probes - Grey Tank Valterra Horst Miracle Probes - Grey Tank

    Valterra

    Valterra Horst Miracle Probes - Grey Tank

    Sludge and soap residue build-up on the sides of RV black and gray water tanks can lead to false readings.  The sludge acts like a conductor between the positive content level sensors down the tank to the negative probe that is located at the bottom of...
    $105.00
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  • Valterra RV Tank Hydroflush Valterra RV Tank Hydroflush

    Valterra

    Valterra RV Tank Hydroflush

    Valterra RV Tank Hydroflush The Valterra RV Hydroflush sits between the 3" outlet and the 3" hose.  Attach a mains hose to blast water back into your tank to break up sludge and clean the tank, pipe, valve and drain hose.  It Includes an...
    $84.99
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  • Valterra Horst Miracle Probes - Black Tank

    Valterra

    Valterra Horst Miracle Probes - Black Tank

    Sludge and soap residue build-up on the sides of RV black and gray water tanks can lead to false readings.  The sludge acts like a conductor between the positive content level sensors down the tank to the negative probe that is located at the bottom of...
    $129.98
  • Valterra 3" Waste Elbow With Flange

    Valterra

    Valterra 3" Waste Elbow With Flange

    Valterra 3" Waste Elbow With Flange 90° Elbow with bayonet lugs to attach a waste hose or cap.  The flange is rotating, allowing for easy installation.  
    $79.99
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  • Valterra Holding Tank Double Valve Assembly Valterra Holding Tank Double Valve Assembly

    Valterra

    Valterra Holding Tank Double Valve Assembly

    Valterra Holding Tank Double Valve Assembly This valve allows you to drain grey and black water tanks simultaneously, saving you time and effort Features Integrated bayonet-style cap covers the lug fitting when not in use Sturdy black ABS plastic...
    $149.99
  • Valterra EZ Coupler Dump Valve Adaptor Valterra EZ Coupler Dump Valve Adaptor

    Valterra

    Valterra EZ Coupler Dump Valve Adaptor

    Valterra EZ Coupler Dump Valve Adaptor This coupler easily adapts a 3" waste hose to the valve outlet.  It is self threading and no hose clamps needed.
    $34.99
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  • Valterra EZ Coupler Hose Extender Valterra EZ Coupler Hose Extender

    Valterra

    Valterra EZ Coupler Hose Extender

    Valterra EZ Coupler Hose Extender This coupler is used to extend two dump hoses.  It is self threading and no hose clamps needed.
    $29.99
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