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re-tightening a used seal rarely achieves a proper hermetic seal
If the reversing valve is not shifting and you have confirmed 24VAC at the coil
Direct OEM Fit: Guaranteed compatibility as the primary replacement for Armstrong Air RS36453B001 and legacy part number 36453B001
improper capacitor sizing
Substantial Build Quality: Plated steel construction resists corrosion and mechanical fatigue in demanding HVACR environments
White Rodgers 767A-374 Hot Surface Ignitor re-tightening a used seal rarelyWhen 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