Johnson Controls D-9502-612 Positioner Spring Els PW 17895 The "U" designation typically refers

The "U" designation typically refers to Honeywell Tradeline packaging

this high-temperature resistant gasket kit is engineered to withstand the thermal stress and corrosive secondary heat exchanger environments typical of Lennox G40DF

38F91 is identical to 38F9101

this is standard for step-down control transformers

Johnson Controls D-9502-612 Positioner Spring Els PW 17895 The "U" designation typically refersThe Johnson Controls D 9502 612 Positioner Spring is a critical helical extension component engineered specifically for D 3246 Series pneumatic damper actuators. Built for high cycle industrial environments, this spring provides the necessary balancing force against control pressure to dictate precise pneumatic actuator positioning. When integrated into a D 9502 positioner assembly, it allows technicians to fine tune the operating span and starting