Combo Aquastat 100-200F 4" Ins Product Specifications BRANDHoneywell INSULATION DEPTH INCHES4 WELL SPUD SIZE INCHES3/4 NPT TEMPERATURE CONTROL RANGE °F100-240 Stop Set at 150 SWITCH TYPESPST, contacts break on temperature rise APPLICATIONHigh Limit DESCRIPTIONHigh Limit Aquastat Controller LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERL4103A1019