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Hydrofarm MTPRTC Digital Thermostat for Heat Mats

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List Price: $39.95
Price: $32.28 & FREE Shipping on orders over $35. Details
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1-ct
  • 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
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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: $53.55

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Product Details

Size: 1-ct
  • Product Dimensions: 3 x 2 x 5 inches ; 9.6 ounces
  • Shipping Weight: 14.9 ounces (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 (574 customer reviews)
  • Amazon Best Sellers Rank: #354 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Size: 1-ct

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 Reviews

It works great, easy to use.
TSSI Customer Service - Jesse R.
And the bright led light makes it easy to at night glance over and check the current temp.
Kindle Customer
This work great to keeping the heat mats at a consistent temperature.
Sheila Anderson

Most Helpful Customer Reviews

82 of 84 people found the following review helpful By Jonathan Elizondo on February 3, 2010
Size Name: 1-ct 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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99 of 104 people found the following review helpful By Matt C. M. on March 18, 2011
Size Name: 1-ct 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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67 of 74 people found the following review helpful By photokrystal on October 30, 2007
Size Name: 1-ct
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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20 of 21 people found the following review helpful By J. Hays on December 20, 2010
Size Name: 1-ct 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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10 of 10 people found the following review helpful By T. Harris on November 14, 2012
Size Name: 1-ct Verified Purchase
I can't speak on how this would work with your seedlings... but for homebrew - Fantastic.
Saw this on Homebrew finds. Looked it over and had a bit of concern regarding the lowest setting being only 68F, but after considering that if I need to lager, I'm not going to need a heat source as I live in San Diego and temps here aren't likely to go below 40F in my garage. So it was whether or not this would work with my ales....

Most of my ale yeast like to ferment at around 70F. A few are below, but are still within Optimum Fermentation Temperature at the lowest setting of 68F. So this is perfect for the job. There are many dual output controllers, that will work with both a cooling and heat source. That's likely a better setup, if I didn't already have the controller for my freezer (which I use as a fridge with a Johnsons control keeping temps above freezing). But since I only needed heat control, this fit the bill.

Setup is about as easy as can be. Simply plug into a wall socket. Plug in your heat source into the controller. I'm using a Zoo Med ReptiTherm® Under Tank Heater, Medium to provide heat. Drop the temp probe into where you need to keep the temperature controlled, and set the desired temp by holding the temp button until it flashes. You can set the temperature to anything between 68 and 108, in whole number values. The swing in the cycle seems to be about 1-2 degrees above and below the set temperature. So for me, it will allow the mat to stay on until 70.5F when set at 70F. It looks to turn on at about 68.5F when set at the same 70F setting.

Overall, happy with the purchase and can recommend for homebrewers.
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