The RIB2421C is UL864 listed

While the capacitor itself is non-polarized

This tubing is technically rated at 90 PSI

The male nut should be tightened finger-tight and then given an additional 1/4 turn with a 7/16-inch wrench

Johnson Controls A99BB-200 Temperature Sensor The RIB2421C is UL864 listedThe 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