WiFi Geyser Controller Basic

R750.00R830.00 incl VAT

SKU: WFGC-B Category:


Basic WiFi Geyser Controller

(based on ESP8266 controller)

Basic features:

Requires WiFi connection
Mobile Application controlled (Fully user customizable)
Works like an Alarm clock to ensure water is at desired temperature at desired time and/or during desired period
Enables significant savings on energy and geyser lifespan
Set 2 Temperatures at 2 Periods per day for any days in a week
Control multiple geysers from same App
8 Different modes of operation
Notifications on major events
Measure and compute (most @ 20 second intervals):

  • 1 x Temperature point (10 points possible)
  • Instantaneous, daily and monthly energy usage.
  • Changeable month start date to coincide with Municipality periods
  • Energy costs
  • Calibrate current and temperature if required
  • Heat gradients and required heating and scheduling periods


Voltage range: 100-240V AC
Max current: 19A
Max Power:  4000W
Processor: ESP8266
Product Dimensions: 90 x 50 x 147 mm
Color: White
WiFi: 802.11 b/g/n
WiFi Security: WPA2-PSK
Enclosure Material: Fire-retardant
Operating Temperature: 0ºC-40ºC
Manual Override Switch


Temperature (Up to 10 sensors possible)
20 A max current

Diagnostic capabilities:

2 Hardware LED’s (Red)
1 Processing LED (RGB)
Terminal diagnostics on Mobile Application
WiFi Access Point

Mobile Application:

  • Based on Blynk  (Legacy and IoT) Platform – Fully customizable by end user (Please refer to Blynk App Usage for all the available options.)
  • Run on IoS and Android
  • Options to do Self Configuration or Supported Configuration on the new Blynk IoT Platform
  • Tabs: Settings, Measurements (Combined with Settings in the Blynk Free plan), Terminal (Optional)
  • All uploaded parameters can be accessed via API (Dependent on Blynk License)
  • All captured data can be exported (.CSV) (Dependent on Blynk License)
  • Huge community support and documentation for customization

Device firmware:

Frequent free OTA upgrades to cater for expanded functionality (Dependent on Blynk License)
Support a number of configurable parameters for calibration and processing customizability

Upgrading possibilities:

This device can be upgraded to be a WiFi Geyser Controller Advanced at a later stage, by replacing the controller module with an ESP32 controller and simply adjusting 4 configuration slides on the board.

Additional information


Self Configuration, Supported Configuration, Separate Configuration Product

Blynk License

Free Plan, Plus Plan

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