air proving switch for sale | 21 ads for brand-new and used air proving switch

New cleveland controls afs-a 1700 spdt air pressure sensing switch .05-12.0" wc

Topeka, Kansas, United States
May 24th

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Johnson controls differential pressure switch p32ac-2c

Hollywood, Florida, United States
Jun 17th

SENSITIVE DIFF PRES CTL; DIFF AIR PRESSURE SWITCH; SPDT; .05/5'WC; ADJ. SETPOINT; W/SCALE "U" This differential pressure switch is for air only.Use for air flow proving with electric duct heaters, humidifiers, etc., maximum air flow control for variable volume systems, reheat duct powered systems, clogged filter detection, and detection of icing of air conditioning coils and initiation of defrost cycle.