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View Full Version : Explain these letters FA & SL.

jboneso
Nov 9, 2011, 07:40 AM
Hi, please explain what FA & SL mean on a White-Rodgers thermostat. Thank you.
FadedMaster
Nov 9, 2011, 02:01 PM
I found this when I searched "FA SL white-rodgers". http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0179.pdf

FA = fast
SL = slow