Universal Intermittent Pilot Ignition Control, Replaces:Honeywell:S8610U(And Compatible Johnson Controls, Robertshaw, White-Rodgers, Fenwall, HSC And Camstat Models), Works With Both Natural And LP Gas Systems, Works With Or Without Vent Damper Connected, Switch Selectable Pre-Purge And Ignition Trails With Permanent Lock, For Gas Fired Furnaces, Boilers, And Other Heating Applications, Operating Temperature:Minimum:Ambient Temperature Rating Is -40F, Maximum:Ambient Temperature Rating When Used With 2.0A Main Valve Is 165F, Control Voltage:Line 24VAC(18-30VAC), Hertz:60, Flame Current:Typical, Relative Humidity:0-95% Non-Condensing, Typical Gas Control:Honeywell Models VR8204 And VR8304, Weight:1 oz, In MFG Box, Made In USA