Ecowitt WN36 Floating Pool Temperature Sensor

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The Ecowitt WN36 floating water thermometer with waterproof sensor provides accurate and instant temperature information. Perfect for any pool or pond. 

Factory sealed offering IP68 waterproof design and an anticipated battery life of between 3 and 5 years.

To see how many of each variety of sensors your equipment supports, click here to view the latest Ecowitt sensor matrix.


  • Measures water temperature 
  • LCD display for current reading and channel number
  • IP68 sealed sensor
  • Configure for use with the  GWxxxx range of gateways or HP25xx/HP350x weather station consoles 
  • View readings directly on the WS View App
  • Supports up to 8 channels (channels shared with WN30/31 sensors)
  • Upload data to the Ecowitt weather server to view history graphs and download the date from the website


  • Floating Temperature Sensor 
  • User Manual 


    • Temperature range: 5°C to 60°C (41°F to 140°F)
    • Transmission distance in open field: 100m (300 feet)
    • IP68 waterproof rated
    • 868MHz UK and European frequency
    • Sensor reporting interval: 77 seconds
    • Factory sealed batteries: 2 x AA batteries estimated 3 years use, or 5 years if used for 6 months of the year

        UK Order Preperation & Shipping

        • Economy (£4.70 or free on orders over £80) 2 to 6 working days. Some smaller items shipped at a reduced rate of £3.50
        • Standard (£5.95) 1 to 2 days for mainland UK. Some smaller items shipped at a reduced rate of £4.10
        • Express (£8.95) guaranteed next working day for mainland UK Highland and Islands, Northern Island 2 to 3 working days. Available on orders placed before 11am

        Europe & Rest of WorldOrder Preperation & Shipping

        • Europe (from £4.50) per order
        • Rest of the World (from £9.60) per order

        Please note that there may be local import duties (VAT/TVA) to be paid on before receipt of your goods from your local customs agent. We are registered with the European IOSS scheme which means duties will be prepaid for orders under €150

        Our full shipping policy can be read here.

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