
PRODUCT DATA SHEET
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Description
EZ Trap EZT180 Inline Check Valve is sized for use in ductless mini-split applications. It
permits free condensate flow while preventing intrusion of outdoor warm or cold air,
dust, insects and odors. Designed for use with non-kinking corrugated PE Drain Hose
(DH-16).
The 5/8" inline Check Valve fits 16mm (5/8") drain lines. The kit includes a Rubber
Adapter for use with 14mm (1/2") drain lines.
*Per 2015 IMC 307.2.4.1 Commentary: "All mini-splits shall require an inline Check Valve
in the drain line or trap to prevent airflow from interfering with condensate flow and
prevent the escape of air through the drain."
Packaging
Code Description Qty per Case Lbs per Case Cubic Feet
83180 EZT180 10 1 .34
IMPORTANT NOTES
1. For use with mini-split air conditioners only.
2. Remove Check Valve before cleaning cooling coil with chemical cleaner.
3. Do not glue this Check Valve.
4. Where possible, install within 6' of ground to facilitate inspection and cleaning.
5. Check Valve is not required if condensate pump is fitted.
6. Clean at least once annually as required.
7. Ensure that bleed holes are not blocked.
8. This device must be installed strictly in accordance with manufacturer’s instructions
to ensure proper operation and in accordance with all applicable local plumbing,
drainage and/or mechanical codes.
EZ TRAP®EZT180
Mini-split Inline Check Valve
THIS CHECK VALVE IS DESIGNED FOR
USE WITH NON-KINKING CORRUGATED PE DRAIN HOSE
(DH-16). THIN WALL VINYL HOSE KINKS VERY EASILY AND
SHOULD NOT BE USED FOR THIS APPLICATION.
DO NOT INSTALL INLINE CHECK VALVE HORIZONTALLY.
DRAIN HOSE EXITING UNIT MUST HAVE SLOPE TO
FACILITATE CONDENSATE FLOW.
Installation Instructions
1. Inline Check Valve must be fitted at least 12" below
indoor unit (Figure 1).
Figure 2 Figure 3
Figure 4
Figure 6Figure 5
16mm
DRAIN
HOSE
WATER
FLOW
14mm
DRAIN
HOSE
16mm
DRAIN
HOSE
14mm
DRAIN
HOSE
PVC TAPE
PVC TAPE
Figure 1
12" MINIMUM
SLOPE
Applications
Mini-split condensate drain line
Characteristics | Features
• Compliant with IMC*
• Freeze resistant
• Only 2¾" long
• 3-year limited warranty