Uploaded June 2024 | Updated September 2026, 2 hours ago

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This is the method for taking a simple millivolt controlled gas heater and converting it to operate with a C-wire and standard furnaces controls. Links to components used below.


12V to 24V step up converter https://a.co/d/26n3rhJ
Terminal Block https://a.co/d/iW7dq7F
Relay https://a.co/d/6UwZmrI
Nest Thermostat https://a.co/d/09yFL94
Wood Owl drill bit https://a.co/d/3yJbcAz
Soldering Iron https://a.co/d/6jl9Vrr


02:23 Millivolt adapter box build
04:20 Installation
14:43 Demonstration
16:45 Off-grid Power System tour