What is the difference between 661024 and 661024R

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

This part number is for the aluminum orifice only

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

this retainer supports the necessary tension for accurate pneumatic valve actuator positioning

White-Rodgers 90-372 Relay What is the difference betweenThe 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