How to connect the water separator after pex enters the house?

1. If the outlet of the water separator is an outer wire, buy the outer wire, and vice versa, connect it with a PEX connector.
2. Add a main inlet valve and bypass for maintenance.
3. Leave a drain near the toilet to facilitate future drainage.
4. Floor hoses are used for soft floor, and heating is also available.
5, 6-way water divider interface is connected with 3 valves, which can be used for heating separately.