LiftMaster Auxiliary Contact Block Relay, 1 NO/1NC | LIF-K27-8002-D 20-1050B-2P This essential kit includes high-quality

This essential kit includes high-quality flanges and positive stops designed to provide structural support and precise positioning for your gate

Spring-loaded fusible link inside lock case provides fail secure mode in case of fire

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LiftMaster Auxiliary Contact Block Relay, 1 NO/1NC | LIF-K27-8002-D 20-1050B-2P This essential kit includes high-qualityLiftMaster Auxiliary Contact Block Relay, 1 NO 1NC LIF K27 8002 D This is a replacement Auxiliary Contact Block Relay (1 NO 1 NC) compatible with LiftMaster GH 5HP Commercial Door Operators. Also known as: 27 8002 D Genuine LiftMaster replacement part.