Condor MDR3 heavy duty combination pressure switch with integral overload. used many compressors including Eagle and Maxair units. 4 port 1/4″ NPT  connection manifold, with 90 degree 1/4″ push to connect unloader valve. Top cover mounted off-auto selector. Factory set 145 psi on, 175 psi off. Switch has 3 pairs of contacts. use all 3 for 3 phase power. Overload relay can be adjusted from 20 to 24 amps. Condor Code 31LC3ELX

Tech Tip: If the switch unloader valve is continuously leaking air, the problem is probably a defective in-tank check valve, and not the pressure switch. 

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