Hays/Cleveland Air Flow Switch .05-12" WC
The Model AFS-145 is a general purpose
proving switch designed for
package burner, furnace, fuel-burning
equipment, HVAC and other Energy
Management applications. It may be
used to sense positive, negative, or
differential air pressure.
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Quick Order Number: 170
Manufacturer: Hays/Cleveland Controls
Part Number: AFS-145
Weight: 1.06 lbs
Stocked Item*: Yes
Quantity Available*: 10
* If an order is placed where the item is a "Non-Stocked Item" or the quantity ordered is more than the quantity available, all items in stock will be shipped and the remainder of the items will be shipped as soon as we get the "backordered" items in.
Model AFS-145 Air Flow Switch
Mounting Position: Mount with the diaphragm
in any vertical plane.
Set Point Range:
0.05 ± 0.02" w.c. to 12.0"w.c. (0.508 mm
w.c. to 304.8 mm w.c.) (0 to 0.43 psi).
Approximate Switching Differential:
Progressive; increases from 0.02±
0.01"w.c. at minimum set point to approximately
0.8 " w.c. at maximum set point.
Measured Media: Air, or combustion byproducts
that will not degrade silicone.
½ psi (0.03 bar)
Operating Temperature Range:
-40F to 180F (-40 to 82C)
Life: 100,000 cycles minimum at ½ psi
maximum pressure each cycle and at
maximum rated electrical load.
300 VA pilot duty at 115 to 277 VAC,
15 amps noninductive to 277 VAC, 60 Hz.
Contact Arrangement: SPDT
Electrical Connections: Screw-type terminals
with cup washers.
Conduit Opening: 7/8" diameter opening
accepts ½" conduit.
Sample Line Connectors: 1/8" - 27
NPT female connectors (2)
Sample Line Connections: Connectors
will accept ¼" OD rigid or semi-rigid tubing.
Approval: UL, FM, CSA, CE
Shipping Weight: 1.2 lbs.