Air Compressor Pressure Switch 100/135 PSI With Built-In Unloader Valve 3/8 NPT Replacement For SS3 SS4 SS5 Single-Stage Compressors Heavy-Duty Precise Cut-In And Cut-Out OEM Style Retrofit

Heavy-Duty 100/135 PSI Air Switch for Compressors
✔️ 3/8 in NPT port, 100/135 PSI cut-in/out, built-in unloader

This pressure switch is an OEM-style replacement for single-stage air compressors in garages and workshops. It matches the 23474661 unit and is compatible with SS3L3, SS4L5, and SS5L5/N5 models, enabling quick, tool-free upgrades.

✅ OEM-style replacement for 23474661 to fit SS3/SS4/SS5 models
✅ Pre-set 100 PSI cut-in and 135 PSI cut-out for steady operation
✅ Built-in unloader valve reduces motor startup strain
✅ Durable NEMA Type 1 enclosure for frequent cycling and high pressure
✅ 3/8 in NPT threaded port supports 3-5 HP single-phase units
✅Pack size:

💡 What is an air compressor pressure switch used for? It regulates motor on/off by sensing tank pressure, helping maintain safe pressure and consistent output.

- Senses tank pressure and triggers the motor on/off
- Includes a built-in unloader valve to ease restart and reduce wear
- Works with 3/8 in NPT ports on 3-5 HP single-stage units