Lennox Y6978, also known as the DiversiTech DP-1 Nitrogen Purge Tool, is a professional HVAC accessory designed to deliver precise and consistent nitrogen flow during brazing operations. This tool is essential for preventing oxidation and scale buildup inside refrigerant lines, helping ensure clean, reliable, and long-lasting HVAC and refrigeration system performance.

The DP-1 nitrogen purge tool features an adjustable dial that allows technicians to accurately control nitrogen flow rates, making it ideal for a wide range of brazing applications. By maintaining a controlled low-flow nitrogen purge, this tool helps protect copper tubing, valves, and internal system components from contamination that can lead to premature compressor failure or reduced system efficiency.

Built for durability and ease of use, the DiversiTech DP-1 is compact, lightweight, and simple to connect, making it a dependable addition to any HVAC service kit. It is commonly used during installations, repairs, and retrofits on residential and light commercial air conditioning, heat pump, and refrigeration systems.

 

Specifications:

 

BrandDiversiTech

Catalog NumberY6978

Model/Part NumberDP-1

Base Unit of MeasureUnit(S)

Product Depth2 IN

Product Height2 IN

Product Width3 IN

TypeNitrogen Purge ToolGross

Weight1.2 LB

 

Key benefits include improved brazing quality, reduced internal oxidation, extended equipment lifespan, and compliance with best-practice HVAC installation standards. Lennox Y6978 / DiversiTech DP-1 is a trusted solution for technicians who demand precision, reliability, and professional-grade results on every job.