The A-3000 model has a unique circuit that contains two separate cut-on and cutoff mechanisms|The cone valve: diaphragm valve circuit gives a high speed cut-on regardless of type of control used|The solenoid bypassing circuit can be used to achieve cut-on and cut-off at full operation speed, it provides cut-off at full operating speed regardless of which type of control is used|The pump circuit contains a positive displacement involute gear set and four controlling valves|Fuel oil No 2 and lighter or fuel oil No 4 and lighter, not compatible for use with blends higher than 5% biodiesel|One pipe system (two-pipe system possible)|9 W consumption|5/16 in strainer|60 Hz recommended motor frequency|Suitable for use with a standard primary control, or a pre-purge/post-purge primary control|Normal cut on with a pre-purge primary control is 3450 rpm|Normal cut off with or without a post-purge primary control is 3450 rpm|The diaphragm valve insures cutoff at burner shut down

UL Listed