it is critical to remove power from the E3Point base unit before connecting or replacing the remote O2 sensor to prevent damage to the electrochemical cell or circuit board

The Nordyne 667271R Blower Wheel is a critical OEM replacement part designed for specific HVAC applications requiring a 10x10 blower wheel configuration

Pre-Calibrated Precision: Each PTC thermistor is calibrated to a standard curve for consistent "plug-and-play" performance

making it a standard choice for HVAC blower motor applications

Compare the reading to the standard York resistance chart for your current ambient temperature to identify any calibration drift

Johnson Controls HE-68P3-0N000 Humidity Transmitter THPU32HP7Y it is critical to removeHumidity Transmitter with Temperature Sensor, Wall Mount, 1000 Ohm Thin Film Platinum Sensing Element, 3 % Humidity Accuracy, No Temperature Setpoint Adjustment Override, 14 to 30 Vdc or 20 to 30 Vac HE 68P3 0N000 is the direct replacement for HE 67P3 0N0GO, HE 6703 0N0GO This item is not eligible for free shipping.