Season is over, alas.
Look what happened during the final run:
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The gauge should be protected by a puddle of condensate in the bend of its pipework. Otherwise, live steam may hurt its membrane to this outcome.
Installed as prescribed (see#5) the water pocket is rather shallow and receives a lot of heat radiation from the boiler below. Paul running slowly on a small flame gives long runs of maybe a full hour before gas runs out. There may have been time enough for the puddle to evaporate away.
Let me stress that Regner swiftly sent me a replacement at no cost. I tried to find a cooler spot to connect the banjo fitting. A deeper bend, too.
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The throttle will be fine with only a quarter circle swing. If you are on RC, this may look different though.
But don't say I didn't warn you.