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Need Help Purging Air from Hydronic Oil Heating System
I'm changing a section of baseboard in a bathroom in my house. I will need to bleed the air out of the system after installing the new section and have a beginner understanding of the procedure.
My first issue is that I can't find the shutoff to close before draining the loop. I'm enclosing a photo of a drain valve on one of the upstairs loops. It seems to have what might be a small shutoff valve right next to the drain valve, but I was thinking the shutoff should be more substantial than this one.
Can you confirm if it is the shutoff or is it a balancing device or something else?
Sorry if I'm using the wrong terminology or if I'm way off base in my thinking.
I've also identified 2 loops for my upstairs where the bathroom is. I'm assuming that I should bleed both of these loops, but could use some advice.
If this isn't the shutoff, I can send other photos, as needed, to help me find it.
Help would be appreciated. Thanks
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