this is a standard field-serviceable part

and Richmond tank-type water heaters

The design incorporates a positive drainage feature that prevents condensate from accumulating in the seat area

Check the stamping on your existing blade or consult the unit’s parts list for part number 45946 or the Brookside SN4-1636 XL170 designation

High Compatibility: Direct replacement for various Honeywell

Sterling 253R01874-001 Fan Guard Els PW 17895 this is a standard field-serviceableThe 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