@BMitch Hey! I like answering those questions. They're usually good for 25 internet points a piece.

And some setups can be complicated, especially when an outdated zone controller gets involved.

I sent an email to Honeywell about a zone controller, basically asking for the documentation that likely came with it (installation guide, schematic, etc). The response I got...

"This product is out of this email service's scope of support as we only troubleshoot retail model thermostats and humidifiers on this support channel."

Huh!? I asked for documentation, not troubleshooting.

Also, I selected "Zone temperature control", not thermostats and humidifiers.

I tried to open up a support case with Whirlpool that their tech sheet had incorrect directions as to how to run the tests

I told them I wasn't going to pay for a service contract as a technical shop to help them update their documentation but I'd help them with it for free

I got a less than enthusiastic response