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Hydrofarm Heat Mat Thermostat






Hydrofarm’s Heat Mat Thermostat is a digital tool used by growers to help measure the temperature in hydroponic growing systems. The Heat Mat Thermostat is designed to be used with heat mats, and has a stainless steel, waterproof probe to ensure accurate readings.

  • Measures ranges from 60 degrees to 108 degrees
  • Max current: 8.3 amps / 1000 watts
  • Digital readings

Out of stock

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HTG Supply is committed to providing you with the very best products, pricing and service in the industry. We will ship your order fast and discreetly packaged to protect your privacy. Buy with confidence knowing your HTG Supply purchase includes simple returns as well as lifetime product support. Call our team of real growing experts with your purchasing or product use questions, and we will be here to help!

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Customer Service:  1-866-710-GROW (4769) | | Hours: Mon-Fri 9:00 a.m. to 5:00 p.m.


Our heat mat thermostat is digital for greater accuracy.

Key Features:

  • Water-resistant stainless steel temperature probe
  • Digital temperature reader
  • LED mode indicator lights; 3-prong grounded plug
  • Compatible with all Hydrofarm heat mats
  • Measures range from 68 to 108 degrees Fahrenheit
  • Celsius or Fahrenheit read-out (press Up or Down button to change)
  • Max current: 8.3 amps/1000 watts

Error Code Information:

  • E1: temperature is too low, has exceeded the range limit; or the temperature probe open (break).
  • E2: temperature is too high, has exceeded the upper limit of the range.
  • E3: Short-circuit for temperature sensor (probe)
Weight 1.5 lbs


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