Johnson Controls A99BB-200 Temperature Sensor Contractors typically utilize this model

Contractors typically utilize this model for boiler pressure regulation where an ASME-certified safety device is required to meet local mechanical codes

How do I test if the flame sensor is faulty

000 Ohm NTC Thermistor (Type III) sensing element

Its oval run capacitor geometry allows for exact fitment in standard mounting brackets

Johnson Controls A99BB-200 Temperature Sensor Contractors typically utilize this modelThe Johnson Controls A99BB 200 is a high precision PTC silicon temperature sensor specifically engineered for reliable monitoring in professional HVACR applications. As a veteran grade refrigeration temperature sensor, it features a 6 1 2 foot PVC cable and a stainless steel sensing bulb to withstand moisture heavy environments like walk in coolers and display cases. This model serves as the designated A99CB 200 replacement; however, please note that