Note: Image is not an exact representation of the item The 35-60 and 35-61 Series are 24 VAC Microprocessor BasedDirect Spark Ignition Controls designed for use in all types of heating applications. The control utilizes a microprocessor to continuously and safely monitor, analyze and control the proper operation of the gas burner. Value added features such as combustion blower control, LED diagnostics, automatic one hour reset, and flame current test pins light the benefits of the controls. Features: 24VAC Microprocessor Based DSI Control Pressure Switch Monitoring LED Diagnostic System Alarm Output (Normally Closed Contact) Auto Reset 1 Hour After Lockout Custom Pre-Purge and Inter-Purge Times Multiple Ignition Attempts Remote or Local Flame Sensing Flame Sense Test Pins Applications Gas Furnaces Boilers Water Heaters Commercial Kitchen Other Similar Appliances Specifications: Product Type: Ignition Control Ignition Type: Direct Spark Ignition Voltage: 24V Temperature Range (F): -40F to 176F Flame direction: 0.7 minimum Type of gas: natural or manufactured LP