Hello. We have an A-liner Ascape and I was attempting my first winterizing and it looks like there is no bypass valve for the water heater in our plumbing system. We are newbies and I was wondering if anybody could tell me what parts/tools I need to replace the current connectors (I've attached pictures). In the videos I've watched, there seem to be 3 valves that are part of this and I seem to have 4 connections and I am an extreme newbie to plumbing, RV or otherwise. Aside from parts, I'm not actually sure what are the connections that I should swap out. We have a suburban water heater, if that makes a difference.
Any advice would be appreciated.
Thanks,
Sandy