040-312

This high-performance Air Handler Control Board with an integrated Time Delay Relay is an essential component for maintaining the efficiency and reliability of residential or commercial HVAC systems. Functioning as the primary logic module, this ignition modulating circuit board coordinates the critical timing of the blower motor and heating or cooling cycles. The built-in time delay relay is designed to protect system components by preventing rapid cycling and ensuring the fan continues to circulate air briefly after a cycle completes to maximize energy efficiency. If your indoor air handler is experiencing unresponsive behavior, fan failures, or inconsistent ignition patterns, this replacement control board provides a durable, professional-grade solution to restore precise climate control.
Type: HVAC Control Board
Size: Medium
Application: Central air handlers, furnace fan control systems, and modulating ignition climate control units.
Specifications: Features integrated time delay logic for motor protection, modulation support for precise ignition control, and multi-terminal configuration for air handler functionality.