Carrier EB51LZ221 220# 3/4″ x 3/4″ NPTFE x NPTFI Pressure Relief Valve

Description

Carrier EB51LZ221 Pressure Relief Valve Overview

The Carrier EB51LZ221 is a 220 PSI-rated pressure relief valve (PRV) engineered to protect HVAC and hydronic systems from dangerous overpressure conditions. With 3/4″ female NPT connections on both the inlet and outlet, this valve is designed for straightforward integration into existing piping systems, making it an ideal replacement or service part for Carrier equipment and compatible applications.

Key Features

• 220 PSI (220#) pressure relief rating for dependable overpressure protection
• 3/4″ x 3/4″ connection size for easy installation in standard piping configurations
• Female NPT inlet (NPTFE) and female NPT outlet (NPTFI) for versatile plumbing compatibility
• Genuine Carrier OEM replacement part — engineered to meet original equipment specifications
• Compact, durable construction suitable for HVAC and hydronic system applications

Application

The EB51LZ221 pressure relief valve is used to safeguard HVAC systems, boilers, and hydronic heating systems by automatically releasing excess pressure before it can cause equipment damage or safety hazards. Its 3/4″ NPT female connections on both ends allow for quick, leak-free installation in a wide range of system configurations.

Specifications

• SKU: EB51LZ221
• Brand: Carrier
• Pressure Rating: 220 PSI (220#)
• Inlet Connection: 3/4″ NPTFE (Female NPT External)
• Outlet Connection: 3/4″ NPTFI (Female NPT Internal)
• Valve Type: Pressure Relief Valve (PRV)