the shank or "immersion probe" is an integral part of the control assembly and inserts directly into the water heater tank to monitor temperatures

mount the bulb at the 4 or 8 o’clock position

While this unit provides a fail-safe return

ensuring consistent electrical continuity and arc suppression in demanding enviornments

and HCFC refrigerants

Carrier KR11AZ002 Plastic Sheave 321894-709 the shank or "immersion probe"The Carrier KR11AZ002 is a high performance 8. 25 inch plastic sheave engineered for demanding commercial HVAC blower applications. Featuring a precision machined 1 inch bore, this fixed pitch fan pulley is designed for direct compatibility with Carrier, Bryant, and Payne air handlers and packaged rooftop units. As a vital component in mechanical power transmission, it ensures stable belt tracking and consistent blower speed ratios, which are critical