With a threaded NPT connection and the industry-standard Johnson Controls Ring Pack packing

and PTC series unit heaters manufactured after May 2007 utilizing direct spark ignition

As a normally closed (NC) switch

Verify existing model numbers and serial codes to ensure compatibility with condensing furnace heat exchangers

Belimo 22ADP-584L Sensor Els PW 17895 With a threaded NPT connectionThe Belimo 22ADP 584L is a high precision differential pressure sensor engineered for demanding HVAC applications, providing reliable monitoring of air and non aggressive gases. This versatile field device features selectable measuring ranges from 0 to 10 inches water column (WC), allowing technicians to fine tune ducting static pressure or filter status monitoring. The unit supports dual output signals, providing either 4 20mA or 0 10V configurations