Carlin 40200 CAD Cell Oil Primary Control ElectronicFEATURESInterrupted Duty Ignition15-Second Trial for Ignition 40200 (1.3 second flame failure response time (FFRT)30-Second Tiral for Ignition 42230 (1.3 second flame failure response time (FFRT)Recycle on flame FailureThermostat/aquastat CompatibleSMC (Safety Monitoring Curcuit) Technology