Grow Systems & Spares

System spares help maintain or configure existing hydroponic irrigation equipment. This collection includes pumps, microfilters, outlet assemblies, drain controls and other selected parts for water-delivery systems.

Confirm your system model, connection size and required component before ordering. Product pages identify included parts; check whether extra tubing, fittings or adaptors are needed.

Grow Systems & Spares collection artwork
  • IWS 25 mm dripper microfilter assembly IWS 16 mm dripper microfilter with grey unions and barbed connections
    IWS 25 mm dripper microfilter assembly IWS 16 mm dripper microfilter with grey unions and barbed connections
    IWS

    IWS High-Pressure Dripper Microfilter | System Spare

    £12.95
    £12.95

    IWS high-pressure drip-system microfilter is a replacement filtration component for a compatible pressurised IWS dripper installation. Irrigation filtration helps reduce the risk of fine particles obstructing...

    Size: 16 mm
  • IWS AutoDrain Standard run-to-waste control unit with white control box and lower pipe connections.
    IWS AutoDrain Standard run-to-waste control unit with white control box and lower pipe connections.
    IWS

    IWS AutoDrain Run-to-Waste Brain | Runoff Collection Controller

    £120.00
    £120.00

    IWS AutoDrain run-to-waste brain is a dedicated runoff-control module for suitable IWS flood-and-drain and drain-to-waste installations. Rather than supplying feed water to the pots, this unit...
  • IWS Pro NEWA NewaJet 3000 Pump | with Connector
    IWS

    IWS Pro NEWA NewaJet 3000 Pump | with Connector

    £120.00
    £120.00

    IWS Pro NEWA NewaJet 3000 pump with Connector is a water-moving component intended for compatible IWS Pro hydroponic systems. It is supplied as a spare for owners...
  • IWS 12-Outlet Dripper Assembly | Distribution ComponentIWS 12-Outlet Dripper Assembly | Distribution Component
    IWS 12-Outlet Dripper Assembly | Distribution Component
    IWS

    IWS 12-Outlet Dripper Assembly | Distribution Component

    £36.95
    £36.95

    SteelRoots 12-outlet pressure-compensated dripper assembly provides convenient distribution of water or nutrient solution to up to 12 drip stakes. The kit includes a manifold with a...

    Kit configuration: 16 mm - With Stand (Tee & Elbow Included)
  • IWS Trident inner fabric pot with blue stitching beside the black rigid outer pot.Interior view of the IWS Trident outer pot showing its moulded base and central hole
    IWS Trident inner fabric pot with blue stitching beside the black rigid outer pot.Interior view of the IWS Trident outer pot showing its moulded base and central hole
    IWS

    IWS Trident Replacement Inner Fabric & Outer Pots

    £2.75
    £2.75

    IWS Trident replacement pots are spare plant containers for the manufacturer's Trident flood-and-drain system. They allow an individual inner grow bag or outer irrigation pot to...

    Replacement Part: 16 L inner fabric pot
  • Black IWS Trident elbow fitting with a barbed hose connection and a smooth side spigot. Black IWS Trident tee fitting with two barbed hose connections and a smooth side spigot.
    Black IWS Trident tee fitting with two barbed hose connections and a smooth side spigot. Black IWS Trident tee fitting with two barbed hose connections and a smooth side spigot.
    Black IWS Trident rubber grommet with a tapered body and retaining flange. Black IWS Trident tee fitting with two barbed hose connections and a smooth side spigot.
    IWS

    IWS Trident Flood & Drain Spares | Tee, Elbow & Grommet

    £3.49
    £3.49

    IWS Trident replacement fittings allow compatible Trident flood-and-drain systems to be serviced with individual tees, elbows and sealing grommets. These are distinct from standard IWS and...

    Part: Trident elbow fitting
  • IWS Pro Replacement Seals, Nuts & M25 Pipe GlandsIWS Pro Replacement Seals, Nuts & M25 Pipe Glands
    IWS Pro Replacement Seals, Nuts & M25 Pipe Glands
    IWS Pro Replacement Seals, Nuts & M25 Pipe Glands
    IWS Pro Replacement Seals, Nuts & M25 Pipe Glands
    IWS

    IWS Pro Replacement Seals, Nuts & M25 Pipe Glands

    £1.20
    £1.20

    IWS replacement seals and retaining hardware are small but essential service components for maintaining compatible flood-and-drain and Pro irrigation connections. Replacing a worn seal or lost...

    Part: M25 pipe sealing gland
  • IWS 170 mm copper mesh disc for Aqua and Culture PotsIWS 250 mm copper mesh disc for Punch Pots
    IWS 250 mm copper mesh disc for Punch PotsIWS 250 mm copper mesh disc for Punch Pots
    IWS

    IWS Copper Root Control Discs | 170 mm & 250 mm

    £1.00
    £1.00

    IWS copper root control discs are replacement inserts designed to fit in the base of compatible IWS hydroponic pots. Their copper-containing surface discourages roots from extending...

    Fitment: 170 mm – Aqua & Culture Pots
Showing 8 of 23
Show more