Testers & Thermostats

• Sale!
  Testers & Thermostats

  First Alert 9V Carbon Monoxide Alarm

  $23.97 Original price was: $23.97.$7.19Current price is: $7.19.
• Sale!
  Testers & Thermostats

  First Alert 3V Electrochemical Digital Carbon Monoxide Alarm

  $34.97 Original price was: $34.97.$10.49Current price is: $10.49.
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  Testers & Thermostats

  First Alert CO615 Dual-Power Carbon Monoxide Plug-In Alarm w/Battery Backup

  $39.97 Original price was: $39.97.$11.99Current price is: $11.99.
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  Testers & Thermostats

  First Alert 120V Plug-In Electrochemical Carbon Monoxide Alarm & Gas Detector

  $64.53 Original price was: $64.53.$19.36Current price is: $19.36.
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  Testers & Thermostats

  GFCI Receptacle Tester with LCD

  $23.95 Original price was: $23.95.$7.19Current price is: $7.19.
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  Testers & Thermostats

  Non-Contact Voltage Tester Pen, 50 to 1000V AC

  $20.95 Original price was: $20.95.$6.28Current price is: $6.28.
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  Testers & Thermostats

  Digital Multimeter TRMS Auto-Ranging 1000V Temp Low Impedance

  $112.95 Original price was: $112.95.$33.89Current price is: $33.89.
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  Testers & Thermostats

  Winter Watchman Low-Temperature Alarm

  $26.97 Original price was: $26.97.$8.09Current price is: $8.09.
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  Testers & Thermostats

  White Rodgers Heat Only Mechanical Thermostat

  $25.94 Original price was: $25.94.$7.78Current price is: $7.78.
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  Testers & Thermostats

  Zircon Leak Alert Electronic Water Detector

  $20.53 Original price was: $20.53.$6.16Current price is: $6.16.
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  Testers & Thermostats

  White Rodgers Heating and Cooling Mechanical Thermostat

  $30.94 Original price was: $30.94.$9.28Current price is: $9.28.
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  Testers & Thermostats

  White Rodgers Economy Mechanical Thermostat

  $29.53 Original price was: $29.53.$8.86Current price is: $8.86.
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  Testers & Thermostats

  White Rodgers 5-1-1 Programmable Digital Thermostat

  $56.67 Original price was: $56.67.$17.00Current price is: $17.00.
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  Testers & Thermostats

  White Rodgers Millivolt Generator

  $30.94 Original price was: $30.94.$9.28Current price is: $9.28.
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  Testers & Thermostats

  White Rodgers Universal Digital Thermostat

  $70.94 Original price was: $70.94.$21.28Current price is: $21.28.
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  Testers & Thermostats

  White Rodgers Universal 7-Day Programmable Digital Thermostat

  $82.53 Original price was: $82.53.$24.76Current price is: $24.76.
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  Testers & Thermostats

  Honeywell Economy Mechanical Thermostat

  $21.47 Original price was: $21.47.$6.44Current price is: $6.44.
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  Testers & Thermostats

  Honeywell Mercury-Free Round Thermostat

  $46.97 Original price was: $46.97.$14.09Current price is: $14.09.
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  Testers & Thermostats

  Honeywell 1-Week Programmable Digital Thermostat

  $30.94 Original price was: $30.94.$9.28Current price is: $9.28.
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  Testers & Thermostats

  Honeywell Mercury-Free Heat Pump Thermostat

  $52.53 Original price was: $52.53.$15.76Current price is: $15.76.
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  Testers & Thermostats

  Honeywell Manual Digital Thermostat

  $56.94 Original price was: $56.94.$17.08Current price is: $17.08.
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  Testers & Thermostats

  Honeywell Low Temperature Mechanical Thermostat

  $34.53 Original price was: $34.53.$10.36Current price is: $10.36.
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  Testers & Thermostats

  Honeywell Locking Thermostat Guard

  $21.97 Original price was: $21.97.$6.59Current price is: $6.59.
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  Testers & Thermostats

  Honeywell 5/2 Day Programmable Digital Thermostat

  $35.94 Original price was: $35.94.$10.78Current price is: $10.78.