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You searched for: Wrap-On Gro-Quick 18500 Thermostat. 6ft capillary bulb sensor to detect & control temperature changes in soil
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Wrap-On Gro-Quick 18500 Inline Thermostat



Wrap-On GRO-QUICK 18500 thermostat control designed for use with Gro-Quick cables that do not include a built-in thermostat.



  • The 18500 is equipped with a 6ft (1.8m) capillary bulb sensor to detect and control temperature changes in the soil

  • Adjustable temperature settings range from 40°-95°F, controlling a duplex receptacle with 1800watts/15amps total capacity

  • Comes with 4ft (1.2m) three-wire cord and plug

  • Includes built-in GFCI outlet

Link to Product Information Page on
Installation and Maintenance Instructions
Item CodeDescriptionVendorQuantity
18501 SoilWatch Thermostat 1000W 8.3 Amp
Wrap-On Co., Inc. #18501 adjustable thermostat for Electric Heavy-Duty Soil Warming Cables. 120 Volts with built-in outlet. 1000 watts max. - 8.3 amps - For usage with Gro-Quick HD cables and can be utilized for electrical heaters and heat lamps