Name: Johnson Controls A-4000-144 1/4" Safety Relief Valve @25 PSI
Brand: Johnson Controls
SKU: LSI6AYJ9WD
Price: 77.95 USD
Availability: OutOfStock

Johnson Controls A-4000-144 1/4" Safety Relief Valve @25 PSI

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This safety relief valve is designed to protect HVAC systems from overpressure by releasing excess pressure at a predetermined level. With a quarter-inch size, it can fit into various piping systems and is compatible with different refrigerants. The valve's 25 PSI pressure rating ensures that it can handle high-pressure situations without compromising the system's integrity. Made by a reputable manufacturer, this safety relief valve is a reliable choice for HVAC service technicians who prioritize safety and efficiency in their work.

Manufacturer	Johnson Controls
Part Number	A-4000-144

Johnson Controls is a versatile manufacturer specializing in providing integrated HVAC solutions for diverse applications. With a strong emphasis on building automation and control systems, Johnson Controls offers innovative products that optimize energy efficiency, indoor comfort, and operational performance. Their ... Learn more

From the Atoms & Bits Blog

What is a Pressure Relief Valve?

Updated: May 28, 2026 By: Lucas Gasparotto

A pressure relief valve is a type of safety valve designed to automatically release pressure when it exceeds a predetermined level, preventing potential damage or catastrophic failure.

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Johnson Controls A-4000-144 1/4" Safety Relief Valve @25 PSI

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About Johnson Controls

From the Atoms & Bits Blog

What is a Pressure Relief Valve?

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