This unit is a close-on-rise control

018-inch natural gas pilot orifice (Part # 62-19640-04)

because this is a constant duty transformer

This cover is specifically molded for the Johnson Controls T-4000 chassis

Veris Industries PX3PLX02 Transducer Els PW 29614 This unit is a close-on-riseThe Veris PX3PLX02 is a high accuracy differential pressure transducer designed for panel mounted HVAC and industrial automation applications. Featuring a digital display for real time field monitoring, this unit supports selectable pressure ranges from 0 10" WC (0 2. 5 kPa), allowing technicians to field configure the device for specific static pressure or flow requirements. As the direct replacement for the PXPLX02S, it maintains a small footprint