Description
Carrier EB51LZ183 Pressure Relief Valve Overview
The Carrier EB51LZ183 is a precision-engineered pressure relief valve designed to protect refrigeration and HVAC systems from dangerous overpressure conditions. With a 1/2″ NPT inlet connection and a 5/8″ flare outlet, this valve integrates seamlessly into a wide range of system configurations. Its 385 PSI set pressure rating ensures reliable, automatic pressure relief exactly when your system needs it most.
Key Features
- Inlet connection: 1/2″ NPT (National Pipe Thread) for secure, leak-free installation
- Outlet connection: 5/8″ flare fitting for easy refrigerant-side discharge routing
- Set pressure: 385 PSI — factory-calibrated for consistent, repeatable actuation
- Genuine Carrier OEM replacement part (SKU: EB51LZ183)
- Designed to protect refrigerant circuits and associated components from overpressure damage
- Compact, rugged construction for long-term reliability in demanding HVAC environments
Applications
- Commercial and residential refrigeration systems
- Air conditioning and heat pump equipment requiring high-side pressure protection
- Carrier OEM equipment requiring direct replacement relief valves
Why Choose a Genuine Carrier Relief Valve?
Using an authentic Carrier OEM relief valve ensures proper fit, calibrated set-point accuracy, and compliance with original equipment specifications. Aftermarket substitutes may not meet the precise pressure tolerances required for safe system operation. The EB51LZ183 delivers the quality and performance Carrier equipment demands.







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