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I'm currently having a Viessmann Vitodens B1KE-120 installed in Palo Alto.

I'm wondering if I should have the included outdoor temp sensor installed and enabled.

Here's what the heating company said:

"We could but we found it a bit problematic at times and customers don't really tend to use it so 95% of the time we come back to remove it . Keeps the boiler from running as temperature rises throughout the day some people like the warm floors. Totally up to you."

Any thoughts on this decision?

Might want to consider opening the ceiling below for access.

When my customers gripe about cutting access holes, I tell them I can cut it now with a saw and vacuum, or the firefighter can cut it later with an axe.

Hey guys. Found a leak in my hydronic baseboard pipe. Of course it's in a tricky spot... An elbow that goes into the wall, in a corner of a room. I also can't quite tell where the leak is - I thought it was coming from the solder joint between the elbow and the pipe but then it seems to be coming from the pipe itself.

Needless to say this is above my level as a homeowner. I've only repaired straight runs with lots of space.

Emergency boiler guy is coming this afternoon. Just want to brace myself for how difficult it's going to be...

So you have a mix of fin tube and cast iron radiators? Those heat up much differently and don't always get along well on the same zone.

If it is one series loop now, the more heat emitters you add, the lower the water temperature as it reaches the end units, that could be an issue also, heat output will drop off.

Copper fin tube warms in seconds, cast rads can take 15- 30 minutes to get some noticeable heat.

Ideally they would be on separate zones.

Bleeding air from radiators below the boiler level takes some pretty good flow, if that is what you have?