control valve

Hello experts! I could use some advice on what is wrong with my fire pit. We received the fire pit for free from someone who no longer used it. Here is a link to it at Lowe's https://www.lowes.com/pd/Bond-Bond-Signature-36-6-in-W-50000-BTU-Brown-Composite-Fire-Table/50037280 I have not been...

In my first post I forgot to ask the question. Can I sweat a copper fitting to the output of the valve pictured? I don’t know if there is any plastic in the diverter and I wouldn’t know how to remove it if there were. I was told to use 1/2” copper for shower head for more volume. Is that true...