Lau 05099801 Pitch Gauge Tool 323080-701 the VM3413 is compatible with

the VM3413 is compatible with both spring return and non-spring return PopTop actuators

though you should always confirm the voltage and mounting spacing matches the original specifications

Industrial Durability: Housed in a rugged plastic enclosure with a clear dust cover

the Browning variable pitch sheave ensures stable torque transmission and reliable belt alignment under high-static pressure conditions

Please verify your model number for exact compatibility

Lau 05099801 Pitch Gauge Tool 323080-701 the VM3413 is compatible withProfessional grade fan blade pitch identification is critical for ensuring system efficiency and preventing motor overload. The Lau 05099801 Pitch Gauge Tool provides a precise, physical reference to determine the exact degree of propeller pitch and rotation direction on any blower wheel or fan blade. Built for the rigors of field service, this HVAC diagnostic tool eliminates the guesswork involved in selecting replacement fan blades, ensuring that