Standard protocol suggests inspecting the rod every 12 to 24 months

resulting in cabinet vibration

How do I verify the rotation for this component

and Warrior series

Resideo VU54N1015 Valve 321702-401 Standard protocol suggests inspecting theThe Resideo VU54N1015 is a professional grade 3 way diverting fan coil valve designed for precise flow control in hydronic systems. Featuring a 3 4" NPT connection and a 7. 0 Cv flow coefficient, this valve is engineered for high demand applications involving chilled or hot water with up to 60% glycol concentrations. Built with a rugged brass body, brass stem, and brass seat, the construction ensures long term reliability in commercial environments.