PWM / fan wiring De Dietrich 7672725

PWM or fan wiring is a critical component for connecting the fan or combustion blower to the boiler's control board. This wiring carries pulse-width modulation signals that regulate fan speed, ensuring proper air-to-fuel ratio for efficient combustion. Whether you are replacing a damaged wire or upgrading your system, this wiring is designed to handle the electrical demands of modern gas burners. It is commonly used in boiler and burner applications where precise fan control is required. Ensure your heating system operates safely and efficiently with reliable PWM or fan wiring.