Laars Heating Systems 2400-442 PWM Board 320788-703 This 135F switch is identified

This 135F switch is identified by a silver button and a red dot on the surface

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

Does this include the housing and the bearing insert

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

The brushless DC motor is controlled by an application-specific integrated circuit (ASIC)

Laars Heating Systems 2400-442 PWM Board 320788-703 This 135F switch is identifiedThe 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