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HornBlasters 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 in Saudi Arabia HornBlasters 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 in Saudi Arabia HornBlasters 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 in Saudi Arabia

HornBlasters 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

SAR 522
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Special Features

  • ⚡ 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.

Description

The HornBlasters PS-150HD Pressure Switch is the cleanest way to control dual air compressors in any 12V onboard air system. With two integrated 40-amp relays, this switch eliminates the need for separate external relays and messy wiring. It's fully pre-wired with clearly labeled leads to keep your install quick, clean, and mistake-free. It activates at 110 PSI and cuts off at 150 PSI, helping your tank stay pressurized for train horns, air suspension, or air tools. Built to last, the entire switch is coated for weatherproof, moisture-resistant durability, so it can handle road grime, rain, and everything else you throw at it. Compact, tough, and purpose-built—this switch is a must for any dual compressor system.

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