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Geyserwise Delta T Controller Kit


Use in 220V pumped solar thermal water heating systems

  • Clear display of water temperature, time, day, and heating mode.
  • Malfunctioning condition on solar system and geyser.
  • Auto or manual heating.
  • Easy temperature setting to your requirements (30°C – 65°C) factory default is 55°C.
  • Four different temperature settings.
  • Daily programmable timer with four time settings.
  • Error conditions alert by warning code E2 to E5 and E7
  • Electronic thermostat with mechanical thermal cut-out at 90°C.
  • Differential controller 220V pumped solar systems.

Please note the cut-out temperature for systems expected to reach temperatures above this temperature.

The complete unit includes:

  • Delta T Display
  • Power Supply
  • Thermostat
  • Black extension cable
  • High temperature probe
  • User manual

All parts must be installed by a qualified electrical wireman or Master electrician with a valid registration with the Department of Labour. Once installed, a valid electrical certificate of compliance (COC) must be issued. The installation must be compliant with SANS 10142 and ALL its parts. Any warranty claim submitted without installation photos, a valid COC, and proof of a qualified wireman/master electrician installing the unit can be rejected and will render the warranty claim null and void.

Please note that the stock availability displayed on this website is a guideline only and does not guarantee the products’ availability. We make every effort to ensure the accuracy of displaying stock. Stock levels can change rapidly and may not always reflect real-time inventory. Amptex Projects does not hold stock of all the items displayed on the website, and stock may need to be ordered from suppliers. For urgent orders with a time-sensitive deadline, we recommend contacting our customer support team to confirm the availability of a product before placing an order

2 – 3 Day Delivery in Gauteng Only

For deliveries outside Gauteng, please contact us on