this model is technically validated for use with both R134a and R513A refrigerants

the Emerson Alco 053317 is designed for compatibility with both R22 and R407C

Rated for 370 VAC

the internal contacts remain open until a technician manually clears the obstruction and resets the device

it features a 6-pole design and is the professional standard for replacing legacy units like the Nordyne 621830R

Lochinvar & A.O. Smith 100187877 Blower Assembly 318820-201 this model is technically validatedAs a technician, you know that maintaining precise air to fuel ratios is non negotiable for high efficiency combustion systems. The Lochinvar & A. O. Smith 100187877 Blower Assembly is a critical OEM component designed specifically for high efficiency gas water heaters and condensing boilers. This assembly features an integrated Hall Effect sensor, providing the HVAC control board with real time RPM feedback to ensure optimal airflow regulation and