Two Stage Air Compressor Pressure Switch For 2340 2475 2545 And 7100 Series With Unloader And On Off Control Replaces 23474570 135 Psi Cut In Higher Cut Out Compatible With Three Phase And 5 To 7.5 HP Single Phase

Two Stage Pressure Switch with Unloader Single Unit 135/175
✔️ 135 psi cut-in, 175 psi cut-out; 4-port manifold included

This pressure switch is the handy control that starts and stops an air compressor based on reservoir pressure. It is a direct replacement for the 23474570 switch on models like 2340, 2475, 2545, and 7100 series, including 5-7.5 HP single-phase variants and three-phase setups.

✅ Replaces 23474570 pressure switch for 2340/2475/2545/7100 series
✅ 135 psi cut-in, 175 psi cut-out; includes unloader valve and 4-port manifold
✅ Durable steel and aluminum construction with rust and corrosion resistance
✅ Compatible with three-phase and 5-7.5 HP single-phase systems
✅ Easy to install, quick swap for damaged or old switches

💡 What is a pressure switch with unloader used for in air compressors?

- It acts as the handy controller that starts and stops the pump based on tank pressure
- The unloader valve vents air and reduces restart current to make startups smoother
- It's a common replacement for worn switches to restore proper cut-in/cut-out points
- Works across 3-phase and single-phase setups in typical HP ranges