110-150 PSI Weatherproof Pressure Switch – Built-in Dual 40A Relays – Run Dual Compressors – Pre-Wired for Easy Install – 1/4" NPT – Moisture-Resistant, 12V – PS-150HD$$Tools

Run Dual Compressors Without Extra Wiring: Features two built-in 40A relays to control dual air compressors—no need for separate relays or complicated wiring setups. Pre-Wired for Quick, Labeled Installation: Comes fully wired with labeled leads: dual power, dual grounds, dual compressor outputs, and key-on power input for an easy plug-and-play experience. Weatherproof & Moisture Resistant: Fully sealed and coated for weather resistance. Built to perform in harsh environments, even on exposed under-vehicle installs. 110–150 PSI Activation Range: Automatically turns compressors on at 110 PSI and off at 150 PSI—ideal for maintaining tank pressure in high-performance air systems. Compact with Standard 1/4" NPT Threading: Small footprint (3.4" x 1.25" x 1.34") with ¼″ NPT male thread for easy integration into most air systems.