it can be used in any 5k Ohm thermistor circuit requiring a 4-inch probe

What is the purpose of the Class F rating

low-resistance electrical connection that simplifies field installation for service technicians

provided the switch is mounted according to the manufacturer's original orientation to prevent moisture accumulation in the diaphragm

Hydrotherm BM-8782 Aquastat Limit 30067439-890 it can be used inThe Hydrotherm BM 8782 Aquastat Limit is a specialized immersion type temperature controller designed for precise fluid management in hydronic heating boilers. As a critical safety and operational component, this aquastat high limit switch monitors internal water temperatures to prevent overheating conditions that can lead to system fatigue or pressure relief valve discharge. Engineered with a durable liquid filled sensing element and a robust SPST