modulating valve test

jim 1 · 21 Feb 2005

what is the best way to test the modulating valve is working ok

kevplumb · 21 Feb 2005

turn the stat down slowly and wach the flame picture

jim 1 · 21 Feb 2005

kevplumb said:
turn the stat down slowly and wach the flame picture

so if the flame picture stayed the same if i turned down the boiler stat what would this indicate

kevplumb · 21 Feb 2005

that it wasnt working

jim 1 · 21 Feb 2005

kevplumb said:
that it wasnt working

whats not working

kevplumb · 21 Feb 2005

the object of the first post

jim 1 · 21 Feb 2005

kevplumb said:
the object of the first post

yes but why is it not modulating what causes these problems

kevplumb · 21 Feb 2005

its broke

jim 1 · 21 Feb 2005

kevplumb said:
its broke

yes but how would i test if it is modulating or not

kevplumb · 21 Feb 2005

turn the stat down

swelec · 21 Feb 2005

brings back memories of that song

" there's a hole in my bucket"

kevplumb · 21 Feb 2005

or the stat is broke or the pcb is broke

jim 1 · 21 Feb 2005

kevplumb said:
turn the stat down

if i turn down the boiler stat and it does not modulate does this mean my mod valve is brke

jim 1 · 21 Feb 2005

could this not be a thermisor problem

kevplumb · 21 Feb 2005

could this not be a wind up

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modulating valve test

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