Reznor 104842 Pressure Switch Els PW 17895 The 20-micron filtration ensures that

The 20-micron filtration ensures that even the smallest copper oxides and solid contaminants are trapped before they reach the metering device

and measure the flame rectification signal in microamps (µA) using a multimeter in series with the sensor wire

Installation of this OEM Goodman 0152G00002S ensures the unit remains compliant with original equipment specifications

This 108-130 microfarad electrolytic capacitor operates at 220Vac and is engineered to overcome the inertia of locked rotor conditions

Always verify the cross-reference for the 47-21900-16 part number

Reznor 104842 Pressure Switch Els PW 17895 The 20-micron filtration ensures thatThe Reznor 104842 Pressure Switch is a critical safety component designed for combustion air proving in specialized industrial heating equipment, including Reznor waste oil heaters and Venturion models. Engineered to monitor the differential pressure within the induced draft assembly, this air pressure switch (often cross referenced as FS3440 894) ensures that proper venting is established before allowing the burner to cycle. By verifying airflow