20 & 21 Litre Instantaneous Hot Water Systems & Units

20 & 21 Litre Instantaneous Hot Water Systems

Please find our range of 20 & 21 litre Instantaneous hot water systems below

Call us NOW on 1300 721 996

Continuous Flow 21 Litre’s

  • Dux Always Hot 21 Litre (Condensing)

    Supply Only $1,040.00

    or 4 payments of $260.00 with Afterpay

    Supply & Install
    NSW $1,490.00VIC $1,490.00QLD $1,690.00WA $1,490.00
    Buy Now Supply & Install (NSW/VIC/QLD)
  • Dux Always Hot 21 Litre (Non Condensing)

    Supply Only $832.00

    or 4 payments of $208.00 with Afterpay

    Supply & Install
    NSW $1,255.00VIC $1,255.00QLD $1,505.00WA $1,255.00
    Buy Now Supply & Install (NSW/VIC/QLD)


  • Pricing is subject to site conditions and onsite inspection.
  • Note: laundry, apartment, and cupboard installations will likely require onsite quotation and may not be subject to advertised pricing due to complexity of works.
  • Supply & Install prices are for like for like installations.
  • Supply & Install prices include removal of old system.
  • Supply & Install products purchased by credit card are subject to an additional 1% surcharge.
  • Open air free parking space will need to be provided by customer at the same location as the installation. Additional charges may apply if this cannot be provided.
  • Additional ($90.00 Incl GST) cost for installation of a cold water expansion valve if required.
  • Hot Water Systems may require a 20% restocking fee.
  • Non 50˚C preset models require a tempering valve ($185.00 inc GST) if feeding bathrooms or general hand washing areas.
  • Additional ($90.00 inc GST) cost for installation of 15mm Duo Valve if required.
  • Additional ($110.00 inc GST) cost for installation of 15mm Pressure Limiting Valve if required.
  • Additional ($65.00 inc GST) cost for Concrete Slab or Pizza Base if required.