Tundishes

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Backflow prevention device for Category 5 fluid risks with AA type air gap

Reliance Valves range of plastic tundishes are most commonly installed within heating and cooling systems to act as a safety device for pressure and temperature relief valves. Water flowing through a tundish is an indication of a fault with the system and alerts the occupants of the building to the fault.

Tundishes also act as a backflow prevention valve with its primary purpose to prevent cross-contamination between a water systems overflow or discharge pipe and a sewer line or drain. It also incorporates a slimline AA type air type and is available in a variety of angles and sizes.

Features and benefits

  • Type AA backflow prevention
  • Slimline design (some models)
  • Straight or angled versions available
  • Wide range of sizes
  • Suitable for hot and cold water use only

Accreditations

WRAS approved product
SKUDescriptionModelInlet Size mmOutlet Size mmBSP Inlet Size ″BSP Outlet Size ″Accreditations
TUND21802415mm RAVB-15 90° Plastic Tundish Assy90 Degree Plastic153⁄4
WRAS
TUND21900515 × 22mm Tundish Slimline Straight BlackStraight Plastic1522
WRAS
TUND3000031 1⁄4″ × 1 1⁄2″ Plastic TundishStraight Plastic1 1⁄41 1⁄2
WRAS
TUND3000041 1⁄2″ × 2″ FBSP Straight Epoxy M/S TundishStraight Epoxy Steel1 1⁄22
WRAS
TUND3000052 1⁄2″ × 3″ FBSP STR Tundish M/S Black EpoxyStraight Epoxy Steel23
WRAS