Honeywell Manual Reset Aquastat Controller W/ 130 F To 270 F Operating TemperatureHigh Limit Manual Reset Aquastat Controller with 130 F to 270 F operating temperature. Product Specifications BRANDHoneywell LENGTH INCHES2-7/8 DIAMETER INCHES3/8 CAPILLARY LENGTH INCHES3 TEMPERATURE CONTROL RANGE °F130 to 270 SWITCH TYPESPST, contacts break on temperature rise APPLICATIONHigh Limit; Manual Reset DESCRIPTIONHigh Limit; Manual Reset Aquastat Controller LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERL4006E1091