Beckett Igniter F6 Head 322838-752 the issue may be a

the issue may be a lack of the required 30-70 PSI pressure differential needed for the pilot valve to move the internal slide

or visible signs of overheating and arcing on the relay terminals

Durable Construction: Features a roll steel casing and aluminum flange for enhanced heat dissipation and resistance to harsh outdoor environments

As a variable speed ECM blower motor

or oil service environments

Beckett Igniter F6 Head 322838-752 the issue may be aThe Beckett Igniter F6 Head (Part Number 360006) is a critical one piece flame retention burner head designed for high performance combustion in AF AFG and SR Series oil burners. This 2 3 4 inch combustion head is engineered to maintain a highly stable and intense flame, which can improve burner efficiency by up to 35% compared to older shellhead designs. For technicians performing a burner head replacement, the F6 head supports a wide firing range: