On Jan 23, 9:37 pm, raden wrote:
There are several documented cases (which I'm sure you can find on the
internet) of them exploding

Some of them suffered from "pre-ignition", which is a polite word for
explosion in the gas industry

As a boiler it should be treated with respect if you don't know what you
are doing


Actually no, I can't find any cases but I don't doubt it considering
the "wooof" they make when they fire up.