K-Kontrol’s, a division of Senasys, manufactures rugged temperature control solutions for harsh agricultural and marine environments. Our NEMA 4X thermostats and fan speed controllers are engineered to withstand corrosive outdoor conditions while delivering reliable temperature regulation. Designed and built in the USA, these line voltage thermostats meet the demands of NEMA 4X and N.E.C. 547 standards for use in agricultural buildings, barns, greenhouses, poultry houses, and marine enclosures.
Visit the product page for more information about the NEMA 4X thermostats.
Built for Harsh Environments
K-Kontrol’s line voltage thermostats are certified to NEMA 4X and N.E.C. 547 specifications, ensuring full protection against corrosion, windblown dust, and hose-directed water. These rugged enclosures are designed specifically for ag-corrosive environments, making them a trusted solution across livestock, crop, and aquaculture facilities.
Key Features:
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Temperature range: 0°F to 110°F
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Fixed differential: ±3°F
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Voltage rating: 120/240 VAC & 230 VAC
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Current rating: 12 Amps
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Certifications: NEMA 4X, N.E.C. 547
These thermostats are a direct replacement for many competing products on the market. For specific replacement compatibility, view the cross-reference chart.
Fan Speed Controllers for Agricultural Ventilation
K-Kontrol’s Fan Speed Controllers help regulate exhaust and circulation fans across livestock barns, aquaponics systems, and marine applications. These controls are compatible with shaded pole, PSC, and universal motors, and adjust output from 30% to 100%.
Controller Highlights:
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Controls up to 3–5 fans (depending on fan rating)
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Adjustable speed range from 30% to 100%
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ON/OFF control switch for added flexibility
Perfect for optimizing ventilation and reducing energy use in high-humidity, high-dust environments.
Made in the USA with Fast Shipping
All K-Kontrol NEMA 4X thermostats are manufactured in our Wisconsin facility, allowing for faster turnaround and tighter quality control. Our domestic production also means fewer delays and reliable access to technical support.
Customization Options Available
In addition to our standard lineup, we offer:
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Wider temperature ranges
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Sensor types including fixed bulb, remote bulb, or piggyback plug
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Private labeling for OEM or branded applications
For engineers and OEMs looking for tailored solutions, K-Kontrol’s technical team is available to help with integration and configuration support.
Complete Thermostat Kits
Each NEMA 4X line voltage thermostat includes:
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Thermostat control unit
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Your choice of sensor style
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Easy-to-follow installation manual
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Optional private branding
Learn More or Get Support
To view full product specifications, replacement compatibility, and ordering information, visit the NEMA 4X thermostat product page. For help selecting the right control or exploring custom configurations, contact our technical support team.
