The 7505A0000 Primary Advance Oil Burner Primary Control is a 120Vac primary safety control unit. It works with cad cell flame sensor to regulate oil burner motor, igniter and optional solenoid valve, suitable for residential & light commercial boilers, furnaces and water heaters

Replaces R8184G primary board, 0‑second valve‑on delay & 0‑second motor‑off delay; works with accessing cycle history and system status data