this limit control is a standard replacement part for many Miller and Intertherm M1

this is a standard field-serviceable part

and Richmond tank-type water heaters

This 1-inch bore ball bearing facilitates smooth shaft rotation within the blower assembly

provided the part number matches the technical service manual

Sterling 253R01874-001 Fan Guard Els PW 17895 this limit control is aThe Sterling 253R01874 001 Fan Guard is a direct OEM replacement component engineered specifically for Sterling unit heaters and hydronic heating systems. This heavy duty wire guard is critical for maintaining HVAC safety compliance by providing a protective barrier around the axial fan assembly without impeding airflow or increasing static pressure. Designed for high performance industrial environments, the 253R01874 001 features a corrosion