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TDIAP502730, TDIAP520830,
& TDIAP521030
Airflow Switches
Copyright © 1996 Honeywell Inc. • All Rights Reserved
77-4023-1
SPECIFICATION DATA
GENERAL
Airflow Differential Pressure Switches are used to sense
positive, negative, or differential air pressure in HVAC
systems. They provide high or low limit with alarm or high limit
shutdown with manual reset.
FEATURES
• Models available with compression or barb fittings
• SPDT contacts on automatic reset models
• SPST n. c. contacts on manual reset models
• Electrical switch enclosed in metal box with cover
• Reliable pneumatic operation
• UL and CSA Listed, FM approved
• Adjustable setpoint