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The Reliance Controls freeze monitor & dialer is available for purchase today.

Read Reliance Controls THP217 reviews before checking out.

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Reliance Controls Freeze Monitor & Dialer

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  • Features
  • Specs
  • 2
  • Reviews
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  • Accessories

Quick Plug-in installation
LCD Display for easy programming
Built-in 110 dB alarm

Calls 5 phone number anywhere within United states
Checks for temperatures under 42F (5.5C)
Flash Memory to save programmed data

Battery Back-up
(1) 9-Volt battery required

System cannot call out on an Internet phone line during a power
Outage because the Internet phone system needs power to work

Need Help? Ask Our Water Pump Experts.
Product Specs
60 Hertz
Made in USA
5 Pounds
Consumer Warranty
1 Year
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*Ask Jim about the Reliance Controls THP217. Sorry, no repair questions:




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  2 Questions
Q: Does this product require a working phone line to be plugged in to so that it can call, or is it wireless?
by Patricia from Florida on October 15, 2012

A: This unit works on Touch Tone telephones lines. So, yes you do need to have a working land line phone connection for it to call out.

by Jim, Product Expert
Q: Can this device also sense water with an additional probe? i.e. water leak
by Dan James from Michigan on February 10, 2012

A: Model THP217 only monitors temperatures. We offer one model that monitors temperatures, flooding and power failure......Model THP201.

Click on link for details:

Reliance Controls THP201

by Jim, Product Expert
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Free Freight
  • Ships via FedEx Ground
We currently CANNOT ship this product to Canada or any destination outside of the United States

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