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John Guest Plumbing

Get fast and leak-tight connections first time, every time, with JG Speedfit’s easy to install push-fit plumbing system. Using a unique blend of push-fit and multi-seal technology, Speedfit can be installed and demounted in seconds without the need for tools or hot works.
John Guest Plastic Female Adaptor (BSP Thread) 12mm × 1⁄2″

John Guest Plastic Female Adaptor (BSP Thread) 12mm × 1⁄2″
John Guest Plastic Equal Elbow 12mm

John Guest Plastic Equal Elbow 12mm
John Guest Plastic Equal Tee 12mm

John Guest Plastic Equal Tee 12mm
John Guest 12mm 1/2" Straight Adaptor Male Plastic

John Guest 12mm 1/2" Straight Adaptor Male Plastic
John Guest Blue Tubing 12mm - 10m roll

John Guest Blue Tubing 12mm - 10m roll
John Guest Blue Tubing 12mm - per metre

John Guest Blue Tubing 12mm - per metre
John Guest Red Tubing 12mm - 10m roll

John Guest Red Tubing 12mm - 10m roll
John Guest Plastic Swivel Elbow (BSPT Thread) 12mm × 1⁄2″

John Guest Plastic Swivel Elbow (BSPT Thread) 12mm × 1⁄2″
John Guest 12mm Shut-off Valve Plastic

John Guest 12mm Shut-off Valve Plastic
John Guest 12mm 1/2" Tube to Hose Brass

John Guest 12mm 1/2" Tube to Hose Brass
John Guest Plastic Stem Elbow 12mm × 12mm

John Guest Plastic Stem Elbow 12mm × 12mm
John Guest 12mm 3/8" Straight Adaptor Male Plastic

John Guest 12mm 3/8" Straight Adaptor Male Plastic
John Guest Plastic Single Check Valve 12mm

John Guest Plastic Single Check Valve 12mm
John Guest 12mm Equal Divider 12mm

John Guest 12mm Equal Divider 12mm
John Guest 1/2" Brass Male Adapter With 12mm Plastic Elbow

John Guest 1/2" Brass Male Adapter With 12mm Plastic Elbow
John Guest Tube Cutter

John Guest Tube Cutter
John Guest 12mm Series 08 Red Plug

John Guest 12mm Series 08 Red Plug
John Guest Plastic Reducing Straight Connector 12mm × 10mm

John Guest Plastic Reducing Straight Connector 12mm × 10mm
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John Guest Plastic Equal Straight Connector 12mm

John Guest Plastic Equal Straight Connector 12mm
John Guest Plastic Female Adaptor (BSP Thread) 12mm × 3⁄8″

John Guest Plastic Female Adaptor (BSP Thread) 12mm × 3⁄8″
John Guest Red Tubing 12mm - per metre

John Guest Red Tubing 12mm - per metre
John Guest Brass Straight Adaptor (12mm x 1/2" NPT) For Suburban HWS Only

John Guest Brass Straight Adaptor (12mm x 1/2" NPT) For Suburban HWS Only
John Guest Black Tubing 12mm - 10m roll

John Guest Black Tubing 12mm - 10m roll
John Guest 12mm Bulkhead Adaptor

John Guest 12mm Bulkhead Adaptor
John Guest Tube to Hose Connector 15mm x 1/2"

John Guest Tube to Hose Connector 15mm x 1/2"
John Guest Plastic Female Adaptor (BSP Thread) 12mm × 3⁄8″ - Shallow Thread

John Guest Plastic Female Adaptor (BSP Thread) 12mm × 3⁄8″ - Shallow Thread
Sold Out
John Guest Black Tubing 12mm - per metre

John Guest Black Tubing 12mm - per metre
John Guest Plastic Stem Adaptor (BSP Thread) 12mm × 1⁄2″

John Guest Plastic Stem Adaptor (BSP Thread) 12mm × 1⁄2″