About Us

Thornthwaite was established in 1933, and has been supplying reliable solutions to the Australian market place. For the past 30 years, we have been the distributor for Presto and Rada brands which include timed flow, temperature controlled and water and energy efficient products.

Customer Support

Thornthwaite prides itself on being available to assist customers and specifiers with design assistance, tender and installation support and after-sales service.

Our team undergoes intensive product training so that we can provide exceptional customer service at all times and ensure that the right product is provided for your needs.

Phone our team on 02 9417 4466 to speak with a qualified salesperson.

Our Products

Innovative design and precision engineering deliver five key benefits to our customers:

  • Water and energy savings
  • Comfort and hygiene
  • Reliability
  • Vandal resistance
  • Easy installation and maintenance


Our products can be specified for the following applications:

  • Education
  • Food Processing
  • Health and Aged Care
  • Office building & shopping centers
  • Public Amenties
  • Sport & Leisure

Where to Buy

Thornthwaite commercial washroom products are distributed throughout Australia via plumbing merchants. We stock a full range of products and spare parts available for same-day dispatch.

We are the distributor of Santon Rotary Switches, and manufacture them to order.

To find your nearest stockist or merchant of commercial washroom products, please contact us.