What is the difference between a K17 (CMDA upright) and Ultra K17 (CMSA) sprinkler?
When I look for the technical data sheet, I don't see any specific difference except the color of the cover of these Tyco sprinklers (bronze for CMDA and Chrome for CMSA).
Does anyone know if these sprinklers are the same, except the fact that they work at different pressures?
Thanks in advance.
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