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  • Hydrofarm MTPRTC Digital Thermostat For Heat Mats
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Hydrofarm MTPRTC Digital Thermostat For Heat Mats

| 55 answered questions

List Price: $39.95
Price: $31.98 & FREE Shipping on orders over $35. Details
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6 Inch
  • Digital temperature controller for heat mats
  • Provides constant optimum temperatures for specific crops
  • Illuminated indicator light; 3-prong ground plug
  • Compatible with all heat mats; optional for Hydrofarm Seedling Heat Mats
  • Celsius or Fahrenheit read-out
42 new from $26.40 2 used from $30.38

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Frequently Bought Together

Hydrofarm MTPRTC Digital Thermostat For Heat Mats + Hydrofarm MT10006 9-by-19-1/2-Inch Seedling Heat Mat
Price for both: $51.94

Buy the selected items together


Special Offers and Product Promotions

Size: 6 Inch
  • Buy Used and Save: Buy a Used "Hydrofarm MTPRTC Digital Thermostat For Heat Mats” from Amazon Warehouse Deals and save 23% off the $39.95 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all Used offers from Amazon Warehouse Deals.

Product Details

Size: 6 Inch
  • Product Dimensions: 3 x 2 x 5 inches ; 9.6 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B000NZZG3S
  • Item model number: MTPRTC
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (507 customer reviews)
  • Amazon Best Sellers Rank: #644 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Size: 6 Inch

Hydrofarm's electronic temperature controller is compatible with all heat mats and is an optional accessory for Hydrofarm Seedling Heat Mats. The thermostat controls the temperature of heat mats evenly in colder or warmer than normal environments. It provides constant optimum temperatures for specific plants. Easy plug-in operation with illuminated indicator light and three-prong ground plug. Digital temperature controller for heat mats. Provides constant optimum temperatures for specific crops. Controls temperature in colder or warmer environments. Illuminated indicator light; 3-prong ground plug. Compatible with all heat mats; optional for Hydrofarm Seedling Heat Mats. Controllable range from 68 to 108 degrees Fahrenheit. Celsius or Fahrenheit read-out


Customer Questions & Answers

Customer Reviews

It works great, easy to use.
TSSI Customer Service - Jesse R.
The thermostat works well with the pad and lets me keep a more controlled temperature while monitoring the temperature of the mat.
Frederick Jimenez
Much cheaper than the ones made specifically for reptiles and works just as well or better.
A. Robinson

Most Helpful Customer Reviews

79 of 81 people found the following review helpful By Jonathan Elizondo on February 3, 2010
Size Name: 6 Inch Verified Purchase
Works like a charm.
Connect the Heat Mat monitor's power cord into the wall, then connect the seedling heat mat's power cord into the monitor.
To set the degrees is very easy. Hold down the button "SET" until the numbers are blinking. Then using the up and down arrows, set the desired temperature then press the "SET" button again to stop the blinking. Also press down the "UP" button for 6 seconds for readings in Fahrenheit or hold down the "DOWN" button for 6 seconds for readings in Celsius.
There is a little wire with a plastic white tip that hangs from the monitor.
Push the white part into the soil for temperature reading.(Once temperature is set, do not be alarmed when your heat mat reaches its maximum temperature you set it to then the Heat Mat monitor temperature will go up and down 3 degrees to prevent over heating)

This is very helpful for starting seeds.
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87 of 91 people found the following review helpful By Matt C. M. on March 18, 2011
Size Name: 6 Inch Verified Purchase
Just like a few other reviewers on here, I bought these for my under tank heaters on my two python tanks. They are very, very effective at regulating the temperatures accurately. I compare the temps on this product with my digital thermometers and they work great.

A few things some people would like to know:
- These are set it and forget it thermostats. You put in the maximum temp (i.e, 90 or 92) degrees and this thermostat will automatically kick on if the temp gets 2 degrees less (88 or 90 degrees respectively). This means you are not going to get too much variation in the warm spot hide which is a great thing but you CAN NOT change this variance. I don't see a real reason you need to though.
- The probe cables are perfect length and since they are designed for soil applications, they can be buried in substrate. They also have a suction cup if you need to monitor ambient air instead.
- TIP: Though some people say you should bury the probe and it should make have DIRECT contact with the UTH, I tried this out and I didn't like it. I am more concerned with the overall micro-climate in the hide or on the surface of the substrate so I just let it lay level with the substrate. That way, if the snake is colder than usual, they will coil in the hide and will give the thermostats a reading that is cooler than the actual temperature. This means the UTH will kick on a little longer than normal and warm the snake back up to a nice temperature.
- These thermostats are very heavy duty and can handle a large electrical load (1000 watts). Since most undertank heaters are 24 watts or less, you can definitely use this stat with multiple tank heaters. It has a three-prong connector on it and heavy-duty power cords/connectors.
Read more ›
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62 of 68 people found the following review helpful By photokrystal on October 30, 2007
Size Name: 6 Inch
I am using this mat to keep a constant temperature on my Kombucha brew. Using a standard heating pad, this theromstat does the job. I'm very pleased with it. I can keep the temperature at 79 degrees and not have to have a heating pad constantly on. Keep the suction cup clean so it doesn't pop off the glass and a thermometer handy to monitor the temperature.
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16 of 17 people found the following review helpful By J. Hays on December 20, 2010
Size Name: 6 Inch Verified Purchase
I've used quite a few thermostats in my day, to include those specific for snakes that come from Big Apple Herps, etc. But this little digital thermostat is unbeatable for the price and what it does. I've calibrated it with two different, stand alone thermometers and it's been within 1.5 degrees at all times, and usually closer. For basic UTH use I haven't seen one yet that can match it for the price. I've already ordered 2 more and I've only been using them a short while. The true test will be in how long it holds up...if it does this is a secret ZooMed, Big Apple, Zilla, etc. don't want you to know about or else they will have to re-market some of their thermostats at this price range! It's designed for fish tanks but works great in a dry environment as well. I use it with two different UTHs and it handles both well.

I only keep Eastern and Florida Kings now (with an occasional stray herp. I flip from a development site until I can get it a home) so it's range of function from 68 to 108 degrees is just right for my collection; the unit will shut off automatically if the heat gets about 108 degrees. Unless you get a defective unit this is pretty much idiot-proof.

Again, great product for a great price if it fits your needs.
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22 of 26 people found the following review helpful By Green Thumb Wannabe on December 4, 2010
Size Name: 6 Inch
This thermostat works great and turned a poor farmer like me into a succesful grower so far. I set the thermostat 2oF above what I wanted it and when the temp drops to where I want it, it kicks the heat mat in to keep seedlings at or 2oF above my temp range desired. VERY easy to set and use and can be set at any temp a plant seed would like to sprout at. :D

I would reccomend this thermometer to anyone that wants to sprout seeds. Your mat will not overheat your seeds this way and you don't have to sit and monitor your seeds all day and night... just set and forget. ;)

By the way you should see how many seeds I sprouted on my first attempt useing this thing... gonna have a HUGE garden full of alll kinds of herbs... Parsley, Oregano, Tomatos, Cilantro, Asperagus, etc. I have tons of seeds my first time out sprouting and growing at an incredible rate now. :D
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