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Description
Model DFS-301-112 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-301-112 is equipped with a convenient barbed sample line connector that accepts flexible tubing.
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Manuals (1)
Specs
Setpoint Range:

.03" to .02" WC

Max Pressure (PSI):

.5 PSI

Switch:

SPDT

Electric Connection:

1/4" Quick-Connect Male

Operating Temp Range:

-40°F to 180°F

Mount:

Diaphragm Vertical

Features:

Two barbed ¼" connectors

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