Flight Level Zerovideo

DIY install of a Dometic A/C, a Microair Flex and installing a dry bilge pump.

January 23, 2026 · 29 min · 17K views

Man installing A/C ducting inside wooden sailboat cabin

What this video covers

The owner of a sailboat named Vanishing Point replaces a 20-year-old 12,000 BTU air conditioning unit with a new 16,000 BTU Dometic system.5:36 The installation involves removing the old unit, reusing the existing thermostat wire as a fish tape for the new control cable, and connecting the raw water intake, discharge, and condensation drain lines.19:32 To reduce the startup power draw, the owner installs a Microair Easy Start Flex soft starter on the compressor, utilizing Wago connectors to integrate the device into the existing capacitor wiring and removing the factory-installed PTCR start relay.26:48 Additionally, the owner installs a Bilge-B-Dry pump system with three pickups—two in the bilge sections and one in the engine bay—plumbing the discharge into the air conditioner’s raw water outlet line using a tee fitting.3:59 The system is wired to the 12-volt house battery bank to run on an automatic schedule.9:20 Finally, the owner replaces several cigarette lighter sockets throughout the vessel with dual USB-C and USB-A charging ports.29:00

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Boats in this video

Beneteau 57Their boat

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