the CQKB series includes a manual override feature

they are the same valve

the SWT01245 configuration offers high backwards compatibility across multiple chassis designs

Temporary bypassing is only for diagnostic pinpointing by qualified technicians

Versatile Powering: Dual-power options allow for C-wire permanent power or AA battery backup for flexible field application

Beckett Igniter FB3 Head 321894-709 the CQKB series includes aThe Beckett Igniter FB3 Head (Part Number 3188103) is a purpose built oil burner replacement part designed for high voltage ignition systems. Engineered for precision alignment, this FB3 firing head ensures consistent spark to fuel contact, which is critical for maintaining high combustion efficiency and preventing intermittent lockouts. As a direct OEM replacement igniter head, it fits seamlessly into Beckett AF and AFG burners, allowing technicians