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Collection: GS3 Hydraulics
Browse hydraulics parts for the La Marzocco GS3 at Coffee Addicts. We stock the spares Canadian espresso owners reach for most, so you can fix a problem at home instead of booking a service call. Everything ships from Canada with fast, trackable delivery, and if you are not sure which part you need, our team knows these machines and can help you get it right the first time.
When to replace hydraulics parts
Keeping the hydraulics in good shape matters because the hydraulic system moves water through the machine, and its pumps, tubing and fittings are frequent failure points. This page covers pumps, solenoid valves, tubing, fittings, check valves and o-rings. Watch for no water flow, a noisy or failing pump, internal leaks, or pressure that won't hold; when you spot them, swapping the part is often all it takes to get back to great espresso.
To avoid ordering the wrong part, check your model against the fitment notes on each product, or reach out to us and we'll confirm compatibility for your exact machine.
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1/4" Anti-Vacuum Valve
Vendor:Coffee Addicts5.0 / 5.0
(2) 2 total reviews
Regular price $55.00 CADRegular price -
1/4" Brass Anti-Vacuum Valve
Vendor:Coffee Addicts5.0 / 5.0
(5) 5 total reviews
Regular price $18.00 CADRegular price -
1/8" M x 1/8" F BSP Fitting
Vendor:Coffee AddictsRegular price $5.00 CADRegular price -
110V 8W 1/8" F x 1/8" F Three-Way ODE Solenoid
Vendor:ODERegular price $95.00 CADRegular price -
220V 50/60Hz 8W 1/8" F x 1/8" F Two-way ODE Solenoid
Vendor:ODE5.0 / 5.0
(1) 1 total reviews
Regular price $108.00 CADRegular price -
230/240V 50/60 Hz 8W 1/8" F x 1/8" F Three-Way ODE Solenoid
Vendor:ODE5.0 / 5.0
(1) 1 total reviews
Regular price $92.00 CADRegular price -
230/240V 50/60 Hz Three-Way ODE Solenoid
Vendor:ODERegular price $94.00 CADRegular price -
3/8 BSP Female x 3/8 Compression Male
Vendor:Coffee Addicts4.75 / 5.0
(8) 8 total reviews
Regular price $27.00 CADRegular price -
Sold out3/8 BSP Male x 3/8 Compression Male
Vendor:Coffee Addicts5.0 / 5.0
(2) 2 total reviews
Regular price $27.00 CADRegular price -
3/8" F Compression x 3/8" F BSP Stainless Steel Flex Hose
Vendor:Coffee AddictsRegular price $22.00 CADRegular price$22.00 CADSale price $22.00 CAD -
3/8" F x 3/8" F BSP Stainless Steel Flex Hose
Vendor:Coffee Addicts5.0 / 5.0
(1) 1 total reviews
Regular price From $11.00 CADRegular price -
3/8" F X 3/8" F BSP Stainless Steel Flex Hose with Elbow
Vendor:Coffee Addicts5.0 / 5.0
(1) 1 total reviews
Regular price From $14.00 CADRegular price -
Bilt OSCAR 150 Water Softener
Vendor:Bilt4.67 / 5.0
(12) 12 total reviews
Regular price $17.00 CADRegular price -
Bilt OSCAR 90 Water Softener
Vendor:Bilt5.0 / 5.0
(7) 7 total reviews
Regular price $14.00 CADRegular price -
Boiler Safety Valve - La Marzocco 2.5bar (OEM)
Vendor:La MarzoccoRegular price $120.00 CADRegular price -
Clear Armored 20mm Espresso Machine Drain Hose - Per Foot
Vendor:Coffee AddictsRegular price $7.00 CADRegular price -
Copper Washer for 1/4" Fittings
Vendor:Coffee Addicts5.0 / 5.0
(1) 1 total reviews
Regular price $2.00 CADRegular price -
Copper Washer for 1/8" Fittings
Vendor:Coffee AddictsRegular price $2.00 CADRegular price -
Dow Corning Molykote 111 Silicone Lubricant - NSF (100g)
Vendor:Dow5.0 / 5.0
(2) 2 total reviews
Regular price $50.00 CADRegular price -
Dow Corning Molykote 111 Silicone Lubricant - NSF (6g)
Vendor:Dow5.0 / 5.0
(4) 4 total reviews
Regular price $4.50 CADRegular price -
Drain Cup Expansion Valve
Vendor:Coffee AddictsRegular price $38.00 CADRegular price -
Flowmeter Impeller Wheel
Vendor:GicarRegular price $14.00 CADRegular price -
Flowmeter Voltage Connector
Vendor:GicarRegular price $6.00 CADRegular price -
Fluid-O-Tech Rotoflow Rotary Vane Water Pump (50L/h)
Vendor:Fluid-O-Tech5.0 / 5.0
(6) 6 total reviews
Regular price $138.00 CADRegular price
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