DMS-Series Air-Trap™: Negative and/or Positive Pressure Waterless Trap

  Volume Pricing is Available - Please email info@waterless-trap.com for a discount code. Never Freezes - Never “Dries” Out! The Air-Trap™ allows liquid condensate to drain from the HVAC equipment and simultaneously prevents air from entering or escaping from the equipment. Patented   The DMS-Series Air-Trap allows water to drain from HVAC equipment and simultaneously prevents air from escaping from or entering the equipment by way of the condensate drain line. The DMS-Series Air-Trap does not require standing water to prevent gas (typically air) from flowing through the condensate drain line. With the occurrence of condensate, or other water sources within the unit, the water flows out of the HVAC unit, but no gas enters or leaves. When there is no production of condensate or water, there is no water in the trap and there is no gas flow through the trap. Install the DMS-Series Air-Trap in a vertical orientation.   The benefits of the DMS Air-Trap • Operates dry except when condensat