effectively replacing a wide array of legacy components from brands like Mars

communicating directly with the integrated furnace control board to confirm burner ignition

the 12A09 is specifically certified and sized for Maxitrol 325-3 and 325-3L series models

When failures in the heating cycle occur

This part number is for the aluminum orifice only

White-Rodgers 90-372 Relay effectively replacing a wide arrayThe White Rodgers 90 372 Relay is a specialized 120V SPDT heavy duty enclosed relay designed for high demand HVAC switching and power control applications. As a core component of the Type 184 series, this line voltage relay features a 120 VAC coil and is rated for a 18A resistive load at 277 VAC, making it an ideal choice for fan motor control and general purpose pilot duty. Its compact, totally enclosed design protects internal silver alloy contacts