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InteriorInterior
HWC Tundish
Description

The Allproof HWC Tundish is designed to safely discharge relief valve and cylinder tray drainage from hot water systems through a single outlet. Its grate and outlet design ensures compliance with minimum air gap requirements while containing high-pressure drainage.

Key Features
  • Drains cylinder tray and relief valve with one outlet
  • 40mm BSP threaded outlet
  • Grate provides compliant air gap (AS/NZS 3500.2)
  • Grommet fits 15mm & 20mm pipe
  • High-temp rated polypropylene body
  • Easy installation in HWC safe trays
  • Made in New Zealand
NZ Made
NZ Made
NZ-Owned Business
NZ-Owned Business
Scope of Use

Applicable for use in accordance with G12 AS1 5.2.3 requiring a safe tray below hot water cylinders.

  • Suitable up to 130°C
  • Rubber grommet to suit 15mm and 20mm copper pipe sizes
  • 40mm BSP threaded outlet
  • Grate design to contain high-pressure valve drainage and allow visual checks
  • For commercial and/or residential applications
  • Compatible with other AS/NZS and NZBC compliant DWV systems
Limitations on Use
  • Allproof DWV products have been designed for compliance with the scope outlined in building codes listed above for the removal and drainage of foul/wastewater.
  • Products need to be installed as per published installation guides. 
Statement of Building Code Compliance
  • NZBC G13/AS1 Foul water: When selected and installed correctly Allproof DWV products provide the ability to create drainage systems that comply to all requirements in G13/AS1. In their correct application 
  • Allproof DWV systems will contribute towards safeguarding people by providing an adequate plumbing and drainage system to carry waste / foul water to appropriate outfalls. Specific clauses include-
    • 2.0 Materials,
    • 3.2 Water trap dimensions,
    • 3.4 Floor outlets,
    • Figure 3. Floor waste stacks and pipes,
    • 6.1 Jointing methods and all relevant AS/NZS standards.
  • NZBC G13/AS3 Foul water and AS/NZS 3500.2: When selected and installed correctly Allproof DWV products provide the ability to create drainage systems that comply to all requirements in G13/AS3. In their correct application Allproof DWV systems will contribute towards safeguarding people by providing an adequate plumbing and drainage system to carry waste / foul water to appropriate outfalls.
  • B2/AS1 Durability: B2.3.1 - Allproof floor waste systems meet the requirements of B2.3.1 (a) not less than 50 years, (b) not less than 15 years and (c) not less than 5 years.

WaterMark Certificate of Conformity has been obtained on all relevant floor water components for; 

  • AS1260 (WMKA 21800),
  • WMTS-040 (WMKT 21223),
  • WMTS-522 (WMKT 74920),
  • and AS2887 (WM 74706).

NZS5807-1980: Pipe ID Labels provide service identification information in line with specifications from Table 3, Table 5, Fig.6.

In-Service History

Sold New Zealand and Australia-wide, used in projects such as 30 Madden — Wynyard Central.

Other Performance Attributes
  • Grate with pipe outlet locators meets minimum air gap requirement as per AS/NZS 3500.2
  • Body and grate moulded in high temperature rated plastic
  • Grate design to contain high-pressure valve drainage and allow visual checks
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Documents
CAD/PDF Link
Installation Instructions
Product Warranty

0820

Brochure
About Allproof

Allproof Industries is a family-owned New Zealand company specialising in the manufacture and distribution of plumbing, drainage, and fire protection products.

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