Winterizing Instructions Question

[F350guy]

I'm betting this has been asked before but because I couldn't find the answer I will ask again.

I'm following the instructions for winterizing the Whirlpool side by side residential fridge. It says to blow out all the water lines thoroughly, which I have done before proceeding with winterizing the fridge itself.

After that the instructions say to pump antifreeze into the water lines. I'm thinking with the lines blown out is that really necessary. Maybe because there may be water trapped in the pump?

[bmcevers_13]

We pumped antifreeze into the frig with the frig pump....it was in the frig when we purchased it last March. Better safe than sorry

[F350guy]

The instructions from Jayco say not to put antifreeze in the fridge lines. You drain them and use the shut off valve to keep the antifreeze from going into the lines.

I'm just trying to decide the necessity of putting anti freeze in the rest of the coach in completely blown out lines.

[Radar57]

In the 2019 Owners manual for the Pinnacle there is a section on winterizing with air. I used that method on my previous 5ef for 15 years with no problem. I would open the low drains and all the faucets and let most of the water drain. Then close the low drains and blow with air for about a minute, let it set then repeat until all the water is out of the system.
Last year with the Pinnacle I used anti-freeze. Not sure why other than that was the first time I winterized it and I wasn't really sure. I think blowing everything out with air works. Just my opinion.