Product Description – Lennox Y8703

 

Lennox Y8703 – Nu-Calgon 4051-99 A/C EasySeal Piercing Valve and Hose is a professional HVAC service tool designed to simplify the process of sealing small refrigerant leaks in air conditioning and refrigeration systems. This EasySeal piercing valve and hose assembly allows technicians to quickly inject Nu-Calgon EasySeal leak sealant into the system without the need for brazing or permanent valve installation, saving time during service and repair.

The Nu-Calgon 4051-99 EasySeal Piercing Valve is engineered for fast, controlled access to the refrigerant line. Once installed, it provides a secure connection point for the EasySeal hose, ensuring accurate delivery of the sealant while minimizing refrigerant loss. This tool is ideal for service calls where minor leaks are present and immediate system operation is required.

Designed for durability and repeated professional use, the EasySeal Piercing Valve and Hose is compatible with common residential and light commercial A/C systems. It is commonly used by HVAC technicians as part of routine leak repair and maintenance procedures.

 

Product Overview

The Lennox Y8703 Nu-Calgon 4051-99 A/C EasySeal Piercing Valve and Hose enables quick injection of EasySeal leak sealant into refrigerant lines. It provides a temporary, non-permanent access point that eliminates the need for cutting or brazing tubing during service.

 

Key Features

• Allows fast injection of EasySeal leak sealant
• Piercing valve design provides quick refrigerant line access
• No brazing or permanent valve installation required
• Reduces service time during leak repair
• Designed for HVAC professional use
• Compatible with residential and light commercial A/C systems

 

Applications

• Air conditioning leak repair
• Refrigeration system maintenance
• Emergency and temporary leak sealing
• HVAC service and diagnostics

Specifications
• Product type: A/C EasySeal piercing valve and hose
• Manufacturer part number: 4051-99
• Lennox part number: Y8703
• Use: Injection of EasySeal leak sealant into refrigerant systems

 

The Lennox Y8703 Nu-Calgon 4051-99 A/C EasySeal Piercing Valve and Hose is an essential tool for HVAC technicians seeking a fast, efficient solution for sealing minor refrigerant leaks while keeping systems running and customers comfortable.