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Best Of

Re: Part# for Outdoor Temperature Sensor for Viessmann Vitodens B1HE-199

Important to use a single run, no splices.

dko

Re: Natural gas pressure test

Dumb question, did you isolate meter?

SlamDunk

Re: Meaga press for steam

Mega pressed joints have all kinds of rotational movement in them after they are pressed. Its way more than a threaded joint . Some can get 10 to 15 degrees.

kinda scary how much. But they dont leak.

Threaded steam joints have no movement in them. Anyone who has tried to remove a fitting knows this!

ethicalpaul

Re: Some rads hissing, some not

I’m wondering if I should just try putting a half way decent air valve on one of the whistling rads to see if it does anything, but I also don’t want to just start throwing parts at it.

RImoparGuy

Re: The case of the tripped auxiliary low water cutoff, this weeks case

My shot: Oil was introduced into the boiler water from new pipe work and this caused surging with a sudden drop in water level that triggered the manual reset--when examined after the fact, everything seemed to be in order. They would have had to be watching the gauge glass at the time of the surging to see it occur.

ethicalpaul

Re: Radiator Ball Valve?

Some of those cheap valves can be made to stop leaking by tightening the nut that holds the handle on. If you run out of threads try adding a washer between the nut and handle. If that does not stop the leak, replace the valve.

retiredguy

Re: Radiator Ball Valve?

The cheap ball valves have no packing nuts. I would just cut it out and sweat one in .

I don't think you really want to do that on the fly. You could buy a decent threaded ball valve and put 2 compression adapters in it.

With the adapters in a threaded valve it might make it long enough so that you can cut the old compression sleeves off and slap the new valve in there.