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Honeywell
S437A1009
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Sail Switch, Responds to Air Velocity in Heating or Warm Air Ducts, 1 SPST Switch, 1900 Fpm-2250 Fpm Operating Velocity, 1"x3" Sail, 3 1/2" Indertion Length
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Honeywell
S437A1025
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Sail Switch, Responds to Air Velocity in Heating or Warm Air Ducts, 1 SPST Switch, 1900 Fpm-2250 Fpm Operating Velocity, 1 1/2"x4" Sail, 3 1/2" Indertion Length
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Honeywell
S437B1024
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Sail Switch, Responds to Air Velocity in Heating or Warm Air Ducts, 1 SPST Switch, 1900 Fpm-2250 Fpm Operating Velocity, 1 1/2"x 3 3/16" Sail, 4 1/2" Insertion Length
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