Sigma 161 Manual Jun 2026

If you are looking for the manual for a Sigma 161 industrial thermostat : Call an electrician. That manual is written in engineering shorthand that predates modern wiring codes.

If you have a physical copy of the Sigma 161 manual sitting in your attic, please, scan it . Upload it to Archive.org. Post it on a subreddit. There is someone in the world right now staring at a blinking red light on a box of metal, holding a hotshoe adapter, wondering why the test button doesn't work. sigma 161 manual