Tonick still open, despite the virus Tonick / TWL-Irrigation is the UK’s largest supplier of commercial hand watering, drainage accessories, Irrigation controllers and decoders. We supply specialist hose nozzles, fertiliser applicators and hand operated water pumps. Our Irrigation controllers, from the mighty Internet-based RM-2, to the tiny deVINCI, along with our expanded range of valve […]

The current Tonick and Underhill brochure is here attached. Pricing for 2020 remains the same as 2019 New products, not includec in the brochure may be found in the news section on this site Underhill_20PgCatalog_2018_EmailVersion

Over the next few years, you will see increasing references to TWL-Irrigation, when searching for Tonick or Tonick Watering. TWL-Irrigation seamelessly handles all the Tonick and Underhill products in Europe, whilst, elsewhere in the the world,  Aquamonix in Australia, sells 2wire products under its Tonick Watering label. TWL-Irrigation & Tonick. Same support; same products; gentle […]

We will be exhibiting at BTME 2020. Please come and visit us at our stand 141, in the Blue Zone.  We will all be available for sales advice and Tony will also be available for any technical help. Look forward to seeing you there!  

Our stand at BTME 2019.  We had a great show, with some very positive sales leads.  We hope all our customers did too.

We will be exhibiting at BTME 2019. Please come and see us at our stand 115, in the Blue Zone.  We will all be available for sales advice and Tony will also be available for any technical help. See you there!!        

An updated and abbreviated manual is in Application notes. This covers the most common faults and how to find them  

TWLIrrigationLtdPrivacyPolicy In line with the new data protection law that comes into effect on Friday 25th May 2018, we have issued our new Privacy Policy.  To find out more, please download and read it. Thank you.

Following the sale of selected export business to Aquamonix in Australia, TWL Irrigation and Underhill Europe continue as normal to trade in UK and EU. Exciting new products from the Aquamonix and Underhill International ranges are now available, adding to Tonick decoders, controllers and hose products. Telephone numbers and emails are unchanged.