Operates on pressure rise at 0.05 ± 0.02 WC. To be used where an open-mounted, nonadjustable switch is desirable. Especially suitable for surface-mounting in areas where internal access is limited.
Kit includes all hardware necessary to install and apply it:
- Individual Carton with Label
- Product Literature
- Model DFS-221-112 Switch
- (2) #6 x 3/8 Mounting Screws




















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