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

Exactly what was needed

My A/C blower unit is in a closet with very little room on the drain side and very little elevation above the floor drain. The P-Trap installed years ago came apart and leaked. The DMS -Series was the perfect solution for this close quarters condensate drain application. Works great,

Excellent Device - Should Be Standard On All HVAC Installations

There were a couple of noticeable issues with my HVAC condensation drainage plumbing and this device solved them all, from providing an actual 'p-trap' without the need to make sure it was plumbed well to the fact I can actually see if there is a condensate line problem with any water drainage. What an excellent device!