In replumbing my little compressor set up, I found a couple of cheaper alternatives that may be of interest.<br>Instead of using these:<br>HWH RAP6354 Air Solenoid Valve - Northwest RV Supply<br><br>Amazon.com: Air-Compressor Pressure Switch<br><br>I went with these:<br>Amazon.com: SNS DC12V 1/4" NPT Brass Electric Solenoid Valve Normally Open...<br><br>Amazon.com: Air Pressure Switch 70-100 PSI Pressure...