Laars Heating Systems 2400-442 PWM Board 320788-703 Precision Balanced: Reduces catastrophic mechanical

Precision Balanced: Reduces catastrophic mechanical failure and ensures quiet operation under high RPM

While a higher HP motor can sometimes be used if the physical dimensions and RPM match

What specific Reznor models use the 110908 fan guard

Labor-Saving Port Swap: Jumper-selectable logic corrects high/low port plumbing errors instantly without re-piping

a high-pressure control from the P70 series with a higher range and manual reset is required

Laars Heating Systems 2400-442 PWM Board 320788-703 Precision Balanced: Reduces catastrophic mechanicalThe Laars Heating Systems 2400 442 PWM Board is a critical OEM boiler replacement part engineered for high precision pulse width modulation control in EBP and ED Endurance boilers. As a veteran technician, you know that maintaining exact signal communication between the ignition module and the blower is non negotiable for system stability. This "New Style" control board optimizes combustion efficiency by modulating power to heating elements and fans