RectorSeal Fortress 4.5" Flex Adapter – Gray LD122 Lineset Cover 12k 18k Add On 000 btu and one 18

000 btu and one 18

000 BTU 23 SEER 4 Zone Ductless Heat Pump Split System - 6K + 9K + 9K + 12K can cool through the Summer

MRCOOL® MST07 Smart Thermostat & MST07-S Room Sensor Bundle

Required when replacing an Endura Pro Constant Torque motor with an Ensite ECM motor to maintain compatibility with the existing 9-pin connection

000 BTU 22 SEER2 3 Zone Ductless Heat Pump Split System - 9K + 9K + 18K can cool through the Summer

RectorSeal Fortress 4.5" Flex Adapter – Gray LD122 Lineset Cover 12k 18k Add On 000 btu and one 18The RectorSeal Fortress 4. 5" Flex Adapter (LD122 Gray) connects a Fortress Flexible Elbow to a standard 4. 5" duct section, allowing smooth transitions between rigid and flexible components in your lineset cover system. Designed for use with LD122 (4. 5") Fortress duct systems, this flex adapter is fully compatible with MRCOOL Line Guard kits and other 4. 5" lineset cover components. It ensures a secure, professional connection while protecting and