TB Woods 7H Coupler Insert R-410A always verify your specific furnace

always verify your specific furnace wiring diagram to ensure the temperature rating matches the original rollout or secondary limit specs

making it ideal for industrial HVAC control

Precision Fault Detection: Rapidly responds to short-circuit and ground-fault events to isolate electrical issues

Key Benefits Universal Compatibility: Works natively with both natural gas and liquid propane (LP) systems

making it suitable for high-demand commercial hydronic applications

TB Woods 7H Coupler Insert R-410A always verify your specific furnaceAs a seasoned technician, you know that high torque demands require a coupling insert that doesnt forfeit durability for flexibility. The TB Woods 7H is a single piece Hytrel solid sleeve insert engineered specifically for size 7 Sure Flex Plus Couplers. Unlike standard EPDM or Neoprene sleeves, Hytrel is a heavy duty thermoplastic elastomer designed to transmit up to four times the power, making it the industry standard for high torque HVACR