This motor is the official service pack replacement for parts 20046618 and 20046618S

Proper installation requires checking the sensing bulb position—ideally at the 4 or 8 o’clock position—and ensuring a 500-micron vacuum to prevent moisture contamination in the R-22 circuit

Sustainable Maintenance: Rugged washable media allows for repeated cleaning

Comprehensive Control: Manages the heating cycle

Reznor 197032 Switch R-22 This motor is the officialThe Reznor 197032 Switch is a critical OEM safety component designed specifically for high altitude applications in Reznor HVAC equipment. Engineered with a calibrated 0. 45" WC (water column) setpoint, this SPST pressure switch ensures that the induced draft motor is generating sufficient vacuum to safely vent combustion gases in environments where air density is lower. Recognized by its pink label, this HiAltitude#Switch . 45"wcPink is foundational