LiftMaster H Hoist Operator Replacement Parts

Liftmaster 75-19978-R Frame Plate Kit, Right Hand

$66.99

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Liftmaster K73-HFRAME-R Frame Kit, H, Right Hand

$827.42

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Liftmaster K75-19978-L Frame Plate Kit, Left Hand

$66.80

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Liftmaster K73-HFRAME-L Frame Kit, H, Left Hand

$827.42

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Liftmaster K15-19478 Sprocket, 48B32T, 1-1/2"B

$31.08

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Liftmaster K75-19981 Arm Kit, H

$149.11

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Liftmaster 11-19471 Clutch Shaft, H

$33.73

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Liftmaster K72-19979 Clutch Shaft Kit, H Post 2005

$318.43

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Liftmaster K21-14182 Transformer, 120/240V, 24VAC, 20VA

LiftMaster K21-14182 120/240V to 24VAC 20VA Transformer

$39.20

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Liftmaster K21-35077 Transformer, 575V, 24VAC

LiftMaster K21-35077 575V to 24VAC 40VA Transformer

$81.34

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LiftMaster K79-15016-1 RPM Sensor Kit

$70.66

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LiftMaster K72-12515-1 Limit Switch Assembly Kit

$47.57

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Liftmaster K75-36913 Cover for Current Sense Kit, H, J, L5

$64.30

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Liftmaster K21-36793 Transformer, 208/230/460V-20VA

$43.57

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Liftmaster K76-38001 Current Sense and MOV Kit, 3PH, H, J K74-31243

$58.71

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Liftmaster K001D8395 Logic Board Kit with Current Sense, L5

$169.95

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Liftmaster K001C8103-1 Antenna

$35.58

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Liftmaster K001D8397 Power Board Kit, 3PH, L5

$139.38

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Liftmaster K001D8397-1 Power Board Kit, 575V, L5

LiftMaster K001D8397-1 3 Phase Power Board Kit, 575V, Logic 5

$153.97

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LiftMaster 751 L5, K20-1075B-2LP-H24 115/230V 1PH 60Hz, Standard 3/4 HP Replacement Motor Kit

$493.71

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LiftMaster 753 L5, K20-3075B-4P-H24 230/460V 3PH 60Hz, Standard 3/4 HP Replacement Motor Kit

$480.63

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LiftMaster 755 L5, K20-3075M-5-H25 575V 3PH 60Hz, Standard 3/4 HP Replacement Motor Kit

$799.95

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LiftMaster 501 L5, K20-1050B-2LP-H24, 115/230V 1PH 60Hz Standard 1/2 HP Replacement Motor Kit

$399.52

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LiftMaster 503 L5, K20-3050B-4P-H24, 230/460V 3PH 60Hz Standard 1/2 HP Replacement Motor Kit

$499.95

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LiftMaster 505 L5, K20-3050M-5-H25, 575V 3PH 60Hz Standard 1/2 HP Replacement Motor Kit

$737.58

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LiftMaster 103 L5, K20-3100B-4P-H24 230/460V 3PH 60Hz, Standard 1HP Replacement Motor Kit

$575.35

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LiftMaster 105 L5, K20-3100M-5-H25 575V 3PH 60Hz, Standard 1HP Replacement Motor Kit

$890.61

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Liftmaster K23-10041 Limit Switch Replacement Kit (SPDT, 10A 125/250VAC) 1/2 HP

LiftMaster K23-10041 SPDT 10A Limit Switch for Select 1/2 HP Commercial Door and Gate Operators

$15.25

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Liftmaster K72-14130-1 Replacement Limit Shaft Kit Commercial Electrical Box

LiftMaster K72-14130-1 Limit Shaft Kit for Commercial Operator Electrical Boxes

$86.60

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Liftmaster K22-575-1 Brake Solenoid (575V/60Hz) Replacement Kit Commercial Gate

LiftMaster K22-575-1 575V/60Hz Brake Solenoid Kit for Logic 5.0 Operators

$145.10

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Liftmaster K22-36899 1PH/L5 Brake Solenoid Replacement Kit Commercial Openers

LiftMaster K22-36899 1PH/L5 Brake Solenoid 208-230V Replacement Kit for Logic 5.0 Operators

$93.79

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Liftmaster K22-36900 3PH/L5 Brake Solenoid Replacement Kit (208V-230V/60Hz)

LiftMaster K22-36900 3PH/L5 Brake Solenoid 208-230V Replacement Kit for Logic 5.0 Operators

$79.93

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Liftmaster K17-6014 replacement Pulley (2

LiftMaster K17-6014 Pulley 2 Inch OD 5/8 Inch Bore for Gate and Door Operators

$15.56

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LiftMaster K16-5L304 Replacement Cogged V-Belt (30-1/32") Kit Commercial Door

$36.95

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Liftmaster K20-1100B-2LP-H24 replacement Motor Kit (1HP, 1PH, L5) Logic 5.0

$742.40

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Liftmaster K13-10024 Limit Nut Replacement Part Commercial Door Operators

$11.73

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Liftmaster K72-19974 replacement Output Shaft Kit (H,J) Commercial Door Gate

LiftMaster K72-19974 Output Shaft Kit for H, J and HJ Commercial Operators

$235.87

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Liftmaster 129050 Flange Bearing, 1"

$9.95

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Liftmaster K001D8396-1 K001D8396, K001D8072-1 Power Board 1PH Logic 5

$149.95

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Liftmaster K13-10024 2-Pack Limit Nut Replacement Part Commercial Door Operators

$22.00

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Liftmaster K23-10916 Interlock Switch 15A, 125/250VAC

$36.71

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Liftmaster 15-19481 Sprocket, 48B14T, 1-1/2

LiftMaster 15-19481 48B14T Sprocket 1-1/2 Inch Bore

$18.15

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LiftMaster K75-19985 Commercial Operator Pulley Assembly

$71.90

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Liftmaster 15-19478 Sprocket, 48B32T, 1-1/2

LiftMaster K15-19478 48B32T Sprocket 1-1/2 Inch Bore

$31.08

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Liftmaster K71-D3PH DRUM BRAKE KIT, 240V

LiftMaster K71-D3PH 240V Three Phase Drum Brake Kit

$332.72

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Liftmaster K72-12789 Hand Chain Shaft Kit, GH

LiftMaster K72-12789 / K75-10884 Hand Chain Shaft Kit, GH

$235.87

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Frequently Asked Questions : Liftmaster H Hoist Operator Replacement Parts

Q1: What are the most common replacement parts for a LiftMaster H hoist operator?

A1: The most frequently replaced components include Logic control boards, high-voltage commercial motors, limit switch assemblies, and contactors. Mechanical items like drive chains, sprockets, and brake solenoids are also commonly replaced due to standard wear.

Q2: How is the correct replacement control board identified for the LiftMaster H operator?

A2: To find the exact replacement control board, locate the part number stamped on the original board or refer to the operator's specification label. Ensure the replacement aligns with the specific Logic generation, such as Logic 3.0, 4.0, or 5.0, used in the system.

Q3: Can the internal brake assembly on a LiftMaster H hoist operator be repaired?

A3: The internal brake assembly is a critical safety component designed to hold heavy commercial doors in place. If the brake fails, it is typically replaced as a complete unit rather than repaired. This replacement must be performed by a local qualified professional.

Q4: What safety devices are compatible with LiftMaster H operators?

A4: LiftMaster H hoist operators require continuous-monitoring safety devices, such as commercial photoelectric sensors or optical edge systems, to comply with UL 325 standards. Always consult the manufacturer's documentation to verify specific sensor compatibility with the installed Logic board.

Q5: How is a faulty motor replaced on a commercial hoist operator?

A5: Replacing a commercial motor involves handling heavy-duty mechanical connections and complex high-voltage electrical wiring. For optimal safety and system integrity, a licensed electrician or a local qualified professional should complete this procedure.

Q6: What indicates that a limit switch assembly needs replacing on a hoist operator?

A6: A failing limit switch assembly often causes the commercial door to over-travel, stop short of its limits, or fail to move altogether. If adjusting the limits does not resolve the issue, the internal cams or switches are likely worn and require complete replacement.

Q7: Are drive chains and sprockets interchangeable across different LiftMaster commercial models?

A7: While some standard roller chains may be universal, the drive sprockets and internal chain mechanisms are often specific to the shaft size and torque requirements of the H series. Always reference the manufacturer's parts diagram to ensure correct mechanical fitment.

Q8: Why might a LiftMaster H operator require a new contactor?

A8: The contactor acts as a high-voltage relay that transfers power to the motor during operation. Over time, the internal electrical contacts can become pitted or fused from high-cycle use, requiring a complete replacement of the contactor block.

Q9: Can an older LiftMaster H operator be upgraded to a newer Logic 5.0 board?

A9: Upgrading an older generation operator to a newer Logic 5.0 system is sometimes possible using a retrofit kit, but it often requires replacing existing safety sensors to ensure communication compatibility. Consult the manufacturer's technical manual to determine the exact requirements for a board upgrade.

Q10: What maintenance is required for the manual hoist chain mechanism?

A10: The manual chain hoist requires periodic visual inspection for rusted or bound links and correct engagement with the interlock switch. If the manual hoist chain or internal engagement gears become damaged, refer to the manufacturer's manual for proper replacement procedures.

LiftMaster H Hoist Operator Replacement Parts

Products [46]

Frequently Asked Questions : Liftmaster H Hoist Operator Replacement Parts

Q1: What are the most common replacement parts for a LiftMaster H hoist operator?

Q2: How is the correct replacement control board identified for the LiftMaster H operator?

Q3: Can the internal brake assembly on a LiftMaster H hoist operator be repaired?

Q4: What safety devices are compatible with LiftMaster H operators?

Q5: How is a faulty motor replaced on a commercial hoist operator?

Q6: What indicates that a limit switch assembly needs replacing on a hoist operator?

Q7: Are drive chains and sprockets interchangeable across different LiftMaster commercial models?

Q8: Why might a LiftMaster H operator require a new contactor?

Q9: Can an older LiftMaster H operator be upgraded to a newer Logic 5.0 board?

Q10: What maintenance is required for the manual hoist chain mechanism?