Posted by Chris Davies on June 13, 2001 at 08:16:54:
In Reply to: Re: Second McDonnel 157!Thanks!TARZAN- One more question. posted by BoilingMan on June 13, 2001 at 05:12:50:
: : : Having a second McDonnel Level control, is it mandatory
: : : or matter of choice! And what it sposed to do?
: : You need two LWCO's installed (one of which must be manual reset) if you operate a power boiler that is not constantly attended. Louisiana state law goes on to describe that the boiler must have an audible alarm and that the boiler must be checked at least every 2 hours....Why you ask?
: Because head mechanism on the second MDM ruptured.
: And now I'm in guess to replace it or eliminate it, factory manual does not have any info about it.
: Should it be of float type or solid state with a probe and so on.
: Could U tell me pls where to get all that official regulations, You was talking about?
: I've got the last issue of State marshal regulations, but there is not a word about that.
: Thanks a lot!
You may want to check ASME section 1 PG-59 and PG-60 along with your State code
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