Can I replace a 3-inch limit switch with a shorter probe

What is the difference between the 393690-15 and the 393690-15/U

Compact Thermal Response: The 3-inch stalk mount and durable snap-disc housing allow for precise sensing within the supply plenum or heat exchanger cell

Replacing a cracked or clogged nozzle restores the unit's ability to reach its rated output

How do I install the York rubber mount tube correctly

Johnson Controls G-2010-5 Air Pressure Gauge Can I replace a 3-inchFor technicians maintaining pneumatic control systems, the Johnson Controls G 2010 5 Air Pressure Gauge is the primary 30 PSI air pressure gauge solution for continuous monitoring. Performance is anchored by a 1 1 2 inch dial face featuring a dual scale 0 30 Psig and 0 200 kPa readout. Designed for HVAC pneumatic systems, this unit offers high visibility with black printing on a white background and blue metric increments. The 1 8" NPT center back