The Lennox 21P01 DiversiTech SG-1 SWOOSH Drain Gun Big Shot is a professional-grade HVAC drain line cleaning tool designed to quickly clear clogged condensate drains without chemicals or disassembly. This tool uses controlled bursts of compressed air to remove sludge, algae, and debris from drain lines, helping restore proper condensate flow and prevent water damage, system shutdowns, and service callbacks. Built for everyday use by HVAC technicians, the SWOOSH Big Shot features a durable aluminum body and an ergonomic trigger that allows precise control during operation.

Ideal for residential and light commercial HVAC applications, the Lennox 21P01 drain gun is commonly used for air conditioners, heat pumps, and furnaces where blocked condensate lines can cause overflow or safety switch activation. Its reusable design makes it a cost-effective and environmentally friendly solution for routine maintenance and emergency service calls.

 

Specification:

Brand: DiversiTech
Model: SG-1 SWOOSH Drain Gun Big Shot
Lennox Part Number: 21P01
Application: HVAC condensate and drain line cleaning
Operation: Compressed air burst (shop air required)
Construction: Heavy-duty aluminum body
Use type: Professional HVAC service and maintenance
Compatibility: Fits most standard HVAC condensate drain lines
Chemical-free operation: Yes
Reusable: Yes

 

This Lennox 21P01 DiversiTech SWOOSH Drain Gun Big Shot is an essential HVAC maintenance tool for technicians looking to improve service efficiency, reduce repeat visits, and protect HVAC systems from condensate-related failures. Designed for durability and performance, it is a trusted solution for fast, effective drain line clearing in the field.