The SPI Plumb Kits range brings together smart, job-saving tools for radiator maintenance, drain-downs, system dosing, and everyday plumbing call-outs. Designed for both trade professionals and capable DIYers, each kit is built around SPI’s best-known innovations like the Plumbtub flexible drain-down tub, QuickFill chemical dosing funnel, and QuickBung / UniBung sealing bungs — helping you work cleaner, faster, and with less mess.

These kits are ideal for radiator swaps, inhibitor top-ups, valve changes, cylinder/tank work, and general maintenance where controlling water and preventing spills matters. Choose a compact set for quick DIY jobs or a full professional bundle for van-ready all-round capability.

Choose your kit variant:

• PLUMBIY (Plumb it Yourself) Kit – 7pc Radiator Maintenance Kit (PLUMBIY)
  A DIY-friendly bundle for clean, controlled radiator draining and chemical introduction. Includes Plumbtub, QuickFill, QuickBungs, QuickBung Large and UniBung Pair to prevent drips and simplify maintenance.

• PlumbStarter Kit – 5pc Radiator Maintenance Kit
  A streamlined starter set focused on radiator drain-downs and dosing. Built around the Plumbtub + QuickFill with key bung accessories for mess-free work.

• PLUMBRO Kit – All-in-One Plumbing Solution in a Bag (PLUMBRO)
  A broader maintenance kit combining Plumbtub for flexible draining, QuickFill for easy inhibitor dosing, QuickBungs/QuickBung Large and UniBung Pair for sealing and drip prevention, plus added practical tools for everyday plumbing scenarios.

• PLUMBPRO Kit – 15-Piece Professional Plumbers/HVAC Maintenance Kit (PLUMBPRO)
  The full trade bundle for high-volume maintenance. Includes Plumbtub, QuickFill, QuickBungs/UniBungs, a heavy-duty drain plunger, 12L collapsible bucket, and CleanFit/CleanTex abrasive packs for surface prep — all supplied in a durable carry bag.

Whichever variant you choose, SPI Plumb Kits deliver a smarter way to handle drain-downs, dosing, sealing and cleanup — keeping jobs professional and customer spaces protected.