P, N, RLC, FCN and PLP Air-Traps are Patented
Positive Pressure Waterless Trap
The Air-Trap Concept
Maximum Pressures, Connection Sizes & Length
It's Time to Reconsider the Use of P-Traps for HVAC Condensate Removal
by Nicholas H. Des Champs, Ph.D., PE, ASHRAE Fellow
Air-Traps Meet IMC® Code Section M307.2.4.1
RESIDENTIAL • COMMERCIAL • INDUSTRIAL • INSTITUTIONAL
Engineering and Product Catalog
Introducing the new HVAC Air-Trap Product & Engineering Catalog. 72 pages covering product information, IOMs, key drawings, maximum pressures and condensate flows, air leakage data and more.
PBS Segment on HVAC Air-Trap
A 7+ minute PBS segment on the HVAC Air-Trap that is currently airing.
Customer Air-Trap Installations
A video montage of HVAC Air-Trap installations over the years.
Des Champs HVAC Air-Trap™ waterless traps allow liquid condensate to drain from the HVAC equipment and simultaneously prevent air from entering or escaping from the equipment.
Solves Common Issues Associated with Standard P-traps
Negative / Positive Pressure Waterless Trap
Residential / Lite Commercial Positive / Negative Pressure Waterless Trap
Perfect for Ductless Mini-splits
Compact Residential / Lite Commercial Negative Pressure Waterless Trap
Positive Pressure, Low Profile 0 - 40" WC Waterless Trap
• Prevents air leakage
• Reduces trap height requirement by 1/2
• Predesigned — eliminating field-designed errors
• Operates Dry — Eliminating:
- Freezing and breaking
- Sludge buildup
- Geyser effect
- Mold and mildew caused by geyser effect
HVAC Know It All Podcast By HVAC Know It All
The HVAC Know It All podcast is hosted by me, Gary McCreadie. These are my thoughts, my jobs, my tools....This is my HVAC life.
We speak to Connie Loughhead, President at Des Champs Technologies. We discuss the waterless HVAC Air Trap, condensate drainage codes and we also touch on the added energy consumption running dry on traps. Nov 18, 2022