120V Oil Aquastat Relay 140-240F. Made in the USA. Product Specifications BRANDHoneywell MAX OPERATING PRESSURE (PSI)225 TEMPERATURE RANGE HIGH LIMIT120-240 SWITCH TYPESPST: High Limit & Circulator APPLICATIONHigh Limit DESCRIPTIONHigh Limit Aquastat Relay LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERL8148A1017