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Obsolete Honeywell L91B-1019 Substitute or Sourcing?

Can anyone recommend a replacement for a Honeywell L91B-1019 pressuretrol for a modulating a burner for a vapor steam system that will modulate from 0 to 10 ounces (NOT lbs)? The 1019 model is no longer made.  The 1035 model goes from 0 to 15 lbs which I doubt will work well in the 3 to 10 OZ

range.                                        



Any thoughts on where to find a surplus unit or another manufacturer's substitute?



Thanks!  Gman
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