Robertshaw 5318BB1A740AB006N0 Level Switch 319825-402 or visible "cupping" or debris

or visible "cupping" or debris buildup on the blades are indicators that the blower fan wheel is out of balance or structurally compromised

Common causes include a burnt-out 24V coil

providing superior switching reliability compared to general-purpose relays

first-call priority with time sharing

Robertshaw 5318BB1A740AB006N0 Level Switch 319825-402 or visible "cupping" or debrisThe Robertshaw 5318BB1A740AB006N0 Level Switch is a high performance RF capacitance level sensor designed for precise point level detection in demanding industrial HVACR and process control environments. Engineered with a 6 inch probe and a rugged NEMA 4 enclosure, this unit provides reliable liquid level monitoring even in systems prone to turbulence or coating. The DPDT switch configuration allows for versatile control logic, enabling simultaneous