How to replace a Dometic furnace sail switch

Our Fuzion 429 has a Dometic furnace. The furnace was intermittently lighting. One reason for this could be a malfunctioning sail switch. We took the action of replacing the sail switch.

Immediately below is the big "how to" video that takes you from start to finish.

Three sections of this ~16 minute video have been split out into shorter, more focused videos as you can see below.