Greenhouse Portable Line Voltage ThermostatPiggyback plugs, often referred to as switch plugs, are a straightforward solution for managing power in various settings. These plugs allow users to connect devices in a way that power can be controlled based on specific conditions like timers or alarms. Used in homes, offices, and industrial environments, piggyback plugs are integral to our portable line voltage thermostats at K-Kontrol. For a deeper look into our offerings, click here to explore our thermostats with piggyback plugs.

Simple Setup for Effective Temperature Management

Some K-Kontrol thermostats come with a cord and series plug, making it easy to connect them to a 120V AC grounded outlet. Here’s how to set them up for optimal performance:

Installation: Use the included hanging wire to position the portable line voltage thermostat near a 120V three-prong outlet.
Connection: Insert the thermostat’s male prongs into the outlet, then connect the device you want to control into the female part of the plug.
Extension Cords: If additional reach is needed, opt for an extension cord with a grounded three-prong plug and suitable gauge wire to ensure safety and functionality.

Portable PreWired Thermostat

Broad Applications for Reliable Temperature Control

The flexibility and practicality of our thermostats with piggyback plugs make them ideal for various applications. They are commonly used in settings such as greenhouses, chicken coops, and barns, where maintaining the correct temperature is crucial for the health and safety of plants and animals. By using a thermostat with a piggyback plug, you can maintain precise temperature control, ensuring your spaces stay well-regulated and operational.

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

Custom Options

Variety of custom options available such as temperature ranges, sensing element lengths & private branding.


K-Kontrols meet NEMA 4X, UL, cUL & NEC 457 Ag-ratings.

High Quality

We take pride in quality control & reliable operation of our components. Every switch is individually tested before it leaves the plant.

Made in the U.S.A.

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