What is the difference between the 312817T and the 312817T/U

Can I use this on non-parallel shaft configurations

For high-capacity pressure protection in commercial and industrial hydronic systems

the coil is designed to maintain consistent ohms across the element

Nordyne 667392R Fan Blade 322838-754 What is the difference betweenAs a veteran tech, you know that maintaining head pressure starts with reliable condenser airflow. The Nordyne 667392R Fan Blade is a genuine OEM replacement part engineered specifically for Nordyne HVAC systems, including brands like Frigidaire, Gibson, and Miller. This is a high performance 18 inch condenser fan blade featuring a 2 blade configuration with an 18 degree pitch and CW rotation (clockwise). Designed for a standard 1 2 inch motor shaft