Kleinn 150 PSI Inline Air Pressure Regulator w/ 1/4In NPT Inlet / Outlet Ports

The Kleinn Model 1150 is a premium 150 PSI inline adjustable air pressure regulator engineered to give you precise control over your high-pressure onboard air system. Featuring a heavy-duty construction built to withstand demanding automotive environments, this universal plumbing component is designed with a 1/4" Female NPT inlet and a 1/4" Female NPT outlet. Perfect for tuning the performance of your air horns or protecting specific pneumatic accessories, it includes an integrated 0–150 PSI pressure gauge, a chrome mounting collar, and necessary fittings. The user-friendly locking adjustment knob with a red indicator allows you to easily dial in your ideal output and lock it into place, ensuring simplified pressure management and maximum system reliability.

Part Type

Air Horn Pressure Regulator

• 0-150 PSI gauge included
• 1/4" F NPT Inlet
• 1/4" F NPT Outlet
• Fittings included
• Locking adjustment knob with red indicator

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

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Reference Information

Air Compressor Components, 150 PSI Inline Air Pressure Regulator with Fittings