41C4398A Liftmaster RPM Sensor
41C4398A Liftmaster RPM Sensor

41C4398A Liftmaster RPM Sensor Assembly

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41C4398A Liftmaster Garage Door Opener RPM Sensor Assembly
Part Number: 41C4398A
Availability: In Stock.

41C4398A Liftmaster RPM Sensor Assembly

The RPM interruptor cup spins through the u-shape on the RPM sensor and counts the revolutions when the motor starts. If the opener trolley only moves a few inches then it's possible the RPM sensor is not working properly. There are other possible causes for the trolley to only move a little bit but the RPM sensor is one of the things that should be checked when diagnosing a problem with the opener. Compatible with various Liftmaster and Raynor openers made after 1995 (see list below).

  • Includes: RPM Sensor and Interruptor Cup
  • Installation instructions included
  • Compatible with Raynor garage door opener models: Navigator (1255RGD/1355RGD), Pilot (1265RGD/2265RGD/3265RGD), Aviator (1280RGD/2280RGD/3280RGD)
  • Compatible with Liftmaster (Sears/Craftsman/Chamberlain) models: 1145, 1150, 1155, 1240, 1245, 1255, 215WD, 315WD, 1240R, 1245R, 1345, 1250, 1265, 1260, 1246, 1256, 1356

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