Chain Drive
The most durable. Choose a chain drive for heavy doors, detached garages or very cold climates..

Linear Model LSO50C Solid-performing chain drive opener. Built-in vibration isolation system keeps noise and vibration from being transferred to the rest of the house
	1/2 HP Chain Drive opener Three button remote control Deluxe wall station Smooth, quiet operation Belt drive or chain drive Dual 100 watt courtesy lights Noise reduction technology.

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Owners Manual