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Integrated Thermal Time Relay: Includes a built-in 120-second delay to prevent nuisance tripping during transient pressure fluctuations or cold starts
It is a direct drop-in replacement designed to meet the exact setpoint stability required for stable operation under heavy load cycles
This 24V gas valve is designed for natural gas systems
which is critical for preventing condensation and tarring
Lennox 15D55 Control Board 326058-756 Integrated Thermal Time Relay: IncludesThe Lennox 15D55 Defrost Control Board is a critical OEM replacement component engineered to manage the complex defrost cycles of Lennox heat pump systems. As a veteran technician knows, maintaining the integrity of the outdoor coil is paramount; this board utilizes advanced demand defrost logic to monitor coil and ambient sensors, preventing efficiency robbing frost buildup. With high temp ratings up to 105C and a robust 47F capacitance, the Lennox