The 314100 is the dedicated service part for the MP909A Series

While light oxidation can be removed with fine steel wool or a Scotch-Brite pad

exceeding standard bead-style driers

keeping this valve assembly hardware in the service kit is essential for preventing downtime during routine seal or coil swaps

checking the MFD rating of the existing capacitor with a multimeter is the first step

White Rodgers 767A-374 Hot Surface Ignitor The 314100 is the dedicatedWhen you're out on a service call and finding a cracked element or high resistance on a gas fired furnace, the White Rodgers 767A 374 Hot Surface Ignitor is the direct professional grade replacement you need. This silicon carbide furnace igniter is engineered for a 120V AC power supply and delivers the rapid heating necessary for reliable burner ignition across various 15, 17, or 45 second hot surface ignition systems. As a critical HVAC replacement