Product details:

Honeywell L4006E1109 Hi Limit AquastatBreaks on rise, 100-240F range, 240F factory stop, manual reset less well Overview Aquastat Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Honeywell's L4006 are used in applications that utilize the existing wells