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The 21642 is the primary HSG 400 replacement part and is also utilized in Blue Angel and Blue Angel Plus gas conversion burners
this unit features a standard 11/32-32 male nut connector for seamless integration into existing pilot burner assemblies
What is the difference between the CS3AH16A24 and the CS3AN16A24
Streamlines solenoid valve electrical wiring for faster field integration and troubleshooting
this RK-FHB-V relief valve kit is likely the correct service part
Resideo 394800-30 Ignition Cable Assembly The 21642 is the primaryThe Resideo 394800 30 is a heavy duty ignition cable assembly engineered specifically for intermittent pilot systems. Measuring 30 inches in length, this high voltage lead provides the necessary reach for complex furnace cabinets while maintaining signal integrity. It features a right angle boot designed for a secure, low profile pilot burner connection, which is critical for preventing arcing and ensuring consistent spark delivery in tight spaces. On