Oil Primary, Intermittent Ignition, flame sensing circuit, 45 sec, safety switch, reset button

18-30Vac Random Start Timer with Safety Switch Lockout, Remote Thermostat Reset, and 6-600 Seconds Adjustable Time Delay Relay used to stagger start multiple compressors

18-240Vac Bypass Timer with 10-1,000 Second Adjustable Time Delay Relay with ON delay interval timer and normally closed Delay-On-Make

18-30Vac Delay-On-Break Timer with 3 Minute Fixed Time Delay Relay

18-30Vac Delay-On-Break Timer with 3 Minute Fixed Time Delay Relay and 6" Lead Wires