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SPDT Fixed Point Air Pressure Sensing Switch (.05" W.C.)
● In Stock

SPDT Fixed Point Air Pressure Sensing Switch (.05" W.C.)

Model DFS-221 is an airflow proving switch designed for duct heater, oven, and other HVAC or Energy Management applications where an open-mounted, nonadjustable switch is desirable. It is especially suitable for surface-mounting in areas where internal access is limited. It can be used to sense positive, negative, or differential air pressure. The DFS-221 is equipped with a convenient barbed sample line connector that accepts flexible tubing.

Hubzone SKU DFS-221-228
Manufacturer Cleveland Controls
Manufacturer Part Number DFS-221-228
UNSPSC Code
40141700 ⓘ
NAICS Code
N/A ⓘ
Unit of Measure N/A
Availability ● In Stock
Lead Time Ships in 1–2 business days
Status ● Active

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Product Overview

Model DFS-221 is an airflow proving switch designed for duct heater, oven, and other HVAC or Energy Management applications where an open-mounted, nonadjustable switch is desirable. It is especially suitable for surface-mounting in areas where internal access is limited. It can be used to sense positive, negative, or differential air pressure. The DFS-221 is equipped with a convenient barbed sample line connector that accepts flexible tubing.

Full Specifications

Procurement Details

UNSPSC Code 40141700
NAICS Code N/A

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