Protectorelay® Oil Burner Control - 45 Sec. Lock Out Timing.This 4-1/8"L x 2-1/2"W x 4-3/8"H unit controls oil burner, oil valve and the ignition transformer in response to a call for heat. Solid state flame sensing circuit. LED for lockout indication and manual trip lever on safety switch assures burner shutdown during servicing. Mounts on a standard 4 x 4 inch junction box or directly mounts on burner housing. Product Specifications BRANDHoneywell LENGTH INCHES4-1/8 WIDTH INCHES2-1/2 HEIGHT INCHES4-3/8 LOCKOUT TIMING SECONDS45 DESCRIPTIONProtectorelay Oil Burner Control IGNITION TYPEIntermittent LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERR8184M1051