Dux 135L

Supplied and Installed (Straight Swap)


The Dux 135 is a common hot water system in Perth due to its affordable price and quick recovery, allowing for more hot water when you need it the most.

Technical Information

Suitable for medium properties 3-5 people
Provides mains water pressure at hot outlets
4-Star energy efficiency rating

Note: will price match any written quote

Cylinder Warranty: 7 Years

Height: 1601 mm | Width: 421 mm
Depth: 500 mm

  • Hot Water Lagging
  • Provide Plumbing Certification
  • Manometer test houses gas line
    NOTE: If a gas leak is present, entire job will be charged at time & materials
  • Supply of new hot relief valves
  • Removal of old unit and box from site
  • To commission and submit compliance paperwork to local authority

• Supply and install of 1 x new gravel pit (external installations) – add an extra $50 (plus GST) per pit
• For internal installations without a drain tray this will be required to be quoted on site to determine
the possibility of drainage
• If a tempering valve is required (changing from existing temp valve only) add an extra $100 (plus GST)
• If the unit is not 10mm above finished floor height and a slab is required, add an extra $30 (plus GST)
• If the client wishes to change from storage to instantaneous a quotation will be provided
• If the cold-water isolation valve is a garden tap, the original DUO Valve (too many water hammer issues)
OR leaking in any way then this MUST be changed. An extra $80 (plus GST) will be added to supply and install 15mm
Tomson NRI ball valve
• If a cold relief valve is required add an extra $80 (plus GST)

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