Peco Controls TH109-009 Thermostat

The Peco Controls TH109-009 is a rugged, industrial-grade dual stage temperature controller designed for precision in demanding environments. Engineered with a NEMA 4X enclosure, this unit is built to withstand moisture, dust, and corrosive elements, making it an essential component for livestock facilities, greenhouses, and industrial washdown areas. It features a broad 40°F to 100°F temperature range and utilizes a high-response coiled bulb sensing element for accurate thermal tracking. The internal configuration consists of two SPDT switches staged exactly 3°F apart, allowing for efficient management of multi-stage heating or cooling equipment. This mechanical thermostat complies with N.E.C. Article 547-4 when used with watertight connectors, ensuring code-compliant performance in agricultural buildings. Whether you are managing ventilation in a poultry barn or controlling specialized HVAC systems, the TH109-009 provides the heavy-duty reliability required for mission-critical environmental control without the complexity of digital interfaces.

Key Benefits for Professionals

• Dual-Stage Control: Features 2 SPDT switches staged 3°F apart to optimize equipment cycling and energy efficiency.
• Harsh Environment Protection: The NEMA 4X rated molded plastic enclosure and stainless steel hardware prevent corrosion in high-humidity or chemical-heavy zones.
• Versatile Mounting: The coiled bulb sensor allows for rapid response to ambient air temperature changes, improving system reaction time.
• Industrial Compliance: UL Listed and suitable for high-moisture agricultural applications under National Electric Code standards.
• Reliable Mechanical Operation: Provides dependable switching without the need for external power to the control logic, ideal for simplified field wiring.

Common Questions

Is the Peco TH109-009 suitable for washdown environments?
Yes, the NEMA 4X enclosure is specifically designed to protect internal components against hose-directed water, dust, and non-explosive corrosive vapors.

What is the fixed differential between stages?
This model is factory-set with a 3°F stage differential, ensuring a consistent gap between the activation of your primary and secondary equipment.

Can this thermostat be used in agricultural barns?
Absolutely. Its rating meets the requirements for N.E.C. Article 547-4, making it a standard choice for livestock and poultry housing.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.