and single-gang boxes

maintaining the precise air-to-fuel ratio necessary for optimal thermal efficiency

ensuring efficient low voltage transformer wiring without unnecessary footprint constraints

Part Number: 0130F00507

TB Woods 4JN Insert and single-gang boxesThe TB Woods 4JN Insert is a high performance Sure Flex Plus Neoprene solid sleeve designed for critical power transmission in size 4 coupling assemblies. Engineered with a one piece solid construction, this 4JN neoprene sleeve provides a balance of high torque capacity and exceptional flame and oil resistance. Built for versatility, it is 100% compatible with existing Sure Flex Plus flanges, allowing for straightforward retrofitting in industrial