Aaon P45130 Controller

The Aaon P45130 Fan and Limit Controller is a high-performance OEM replacement part designed for integration into forced warm air heating systems. Engineered for commercial HVAC equipment, this fan limit switch provides essential overheat protection and automated blower control. It features an 8-inch element insertion and a versatile universal mounting bracket to ensure precise temperature sensing within the plenum. The controller supports a broad operating temperature range of -40 to 190 degrees F, with a maximum ambient switch rating of 190 degrees F and an element rating of 350 degrees F. The adjustable high limit (100 to 250 degrees F) utilizes a 25-degree differential to break the circuit on temperature rise, while the fan-on (65 to 215 degrees F) and fan-off (50 to 200 degrees F) settings allow for optimized HVAC system efficiency. Rely on this genuine Aaon component for rugged durability in demanding rooftop unit applications.

• Precise Thermal Management: Dual-function sensing monitors high-limit safety and manages fan cycling for consistent discharge air temperatures.
• Flexible Installation: Compatible with surface or universal mounting configurations, accommodating various cabinet and duct designs.
• Robust Field Reliability: Built to withstand high-ambient plenum environments with a 350-degree F element limit.
• OEM Compatibility: Exact drop-in replacement for Aaon P45130, ensuring zero-mod performance in commercial heating systems.

How do the fan-on and fan-off settings impact my system?
These settings prevent the blower from circulating cold air by delaying fan startup until the exchanger reaches the "fan-on" setpoint and continuing the run-down until the "fan-off" temperature is met.

What is the purpose of the 25-degree high limit differential?
The differential prevents rapid short-cycling of the heating circuit when the system approaches the high-limit threshold, protecting the heat exchanger from thermal stress.

Can I use this with any air handling unit?
While designed primarily for Aaon forced warm air systems, its 8-inch insertion and universal bracket make it compatible with various commercial units requiring localized temperature limits.

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.