PortExt8 Single Stage Line Voltage Thermostat with Remote Sensor & Piggyback Plug – Adjustable from 30°F to 110°F

(2 customer reviews)


  • Construction: Plastic
  • Function: Heating & Cooling
  • Switch Type: Single Stage
  • Temperaure Range: 30°F to 110°F with ±2° accuracy, 3° differential
  • Rating: NEMA 4X, N.E.C. 457
  • Approvals: UL & cUL
  • Voltage: 120 VAC
  • Amperage: 12A
  • Features: Made in USA, 96″ Remote Capillary Sensor, 120-Volt, 8ft Piggyback Plug



K-Kontrol line voltage thermostats work for direct control of heaters, fans, air conditioners, ventilation equipment and more. Great for both heating and cooling applications.

A graduated temperature control unit that can be used anywhere! Clear cover protects from weather and damage. Weatherproof and corrosion proof with all polycarbonate thermoplastic construction and stainless steel capillary sensor. Not effected by surges, lightning strikes or power outages like a digital thermostat.

Line voltage thermostats use a liquid-filled sensing element and capillary. There is an exposed or concealed temperature set point dial, and it will switch line voltages.

Products are designed, manufactured, & shipped from our facilities in Eau Claire, WI to clients across the globe.

Original equipment manufacturers & agricultural communities worldwide use temperature controls designed & manufactured by K-Kontrols. Our temperature controls are great for barns, greenhouses, livestock buildings, & more.

Variety of custom options available such as temperature ranges, sensing element lengths, & private branding. Contact us for larger quantity (25+) orders or custom options.

Has standard 7/8 opening. We recommend using our strain relief cord connector that can be purchased here.

View Datasheet

Installation Instructions

Additional information

Weight 30 oz
Dimensions 9 × 7 × 6 in

2 reviews for PortExt8 Single Stage Line Voltage Thermostat with Remote Sensor & Piggyback Plug – Adjustable from 30°F to 110°F

  1. Miles A. (verified owner)

    These seem good. I’ve recommended K-Kontrols to others for years. Great replacements for Dayton products that are no longer made.

  2. Harold Hein (verified owner)

    Your service was extremely slow. $22.00 for mailing–outrageous.

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