Fernco flexible condensate trap clamped onto the condensate drain of an HVAC unit
 
HVAC condensate drainage

Condensate Trap

A flexible ¾″ P-trap for HVAC and air conditioner condensate lines. It clamps on with no primer or cement, and you can squeeze it to clear a clog.

 
¾″ pipe or hub No primer or cement Squeeze to clear Stainless clamps Made in USA
 

No brush. No saw. Just squeeze.

A plugged condensate trap usually means a brush, a wet vac or a saw. This one is molded from flexible PVC, so you can squeeze it to break sediment loose, or back off two clamps and pull it out whole.

Squeeze to clearHand pressure breaks sediment loose and gets the line flowing
Fernco CT-075 flexible condensate P-trap with stainless steel clamps on both ends
Holds a water sealKeeps the system’s fan from moving air through the drain, so the pan keeps draining
Comes out wholeBack off the stainless clamps to pull it out. It goes back on the same connections
Clears without a brush

No ports to open. Squeeze the body by hand to break sediment loose and get the line flowing.

Hand squeezing the flexible condensate trap, clamped to the drain at one end
Built tough
  • Elastomeric PVC body
  • Stainless steel clamps
  • Made in USA
No cure time

No primer or cement. The system goes back in service as soon as it’s clamped and primed.

Fits tight spots

The flexible body works into low-clearance attic units, tight closets and over a secondary pan.

Nothing to spill

No solvent odor left in the home and nothing to wipe off a finished floor.

Fernco CT-075 condensate trap shown with its two removable bushings
CT-075

¾″ Flexible Condensate P-Trap for HVAC Systems and Air Conditioners

Pipe or hub, end by end. Each end has a bushing. Leave it in to fit ¾″ PVC pipe, or take it out to fit a ¾″ hub.

  • HVAC and air conditioning condensate lines
  • Condensate drain lines
  • Furnace condensate drainage
  • Repair and replacement
  • Residential and light commercial
  • Made in USA

How to install

  1. Holding the flexible condensate trap against the existing PVC trap to check the fitDry fitHold the new trap up to the existing line to check the fit. Mark lines on the pipe matching both ends of the new trap.
  2. Measuring down from the first mark on the PVC drain pipe with a tape measureMark the cutMeasure ¾″ down from each dry fit mark and make a second mark. This is where you cut.
  3. Switching off the power at the HVAC unitPower offSwitch off power at the HVAC unit or at the circuit breaker.
  4. Cutting the old PVC condensate trap out with a hand sawCutUse a PVC pipe cutter or hand saw to cut on the second mark at each end. Remove the old trap.
  5. Cleaning burrs off the cut end of the PVC pipeDeburrUse a utility knife or deburring tool to scrape away plastic fragments and burrs.
  6. Removing the bushing from the end of the flexible condensate trapLoosen and set bushingsLoosen the screw on each clamp. Remove the included bushing if you’re installing over a hub.
  7. Tightening the clamp on the condensate trap with a screwdriverInstallSlide each end of the trap over its pipe or hub. Hand tighten each clamp with a nut driver or screwdriver.
  8. Pouring water into the condensate line above the trapPrimePour 3 to 6 ounces of tap water directly into the line above the trap.
  9. Finished installation of the Fernco condensate trap on an HVAC unitPower onTurn the power back on and check for leaks.

Tools: tape measure, marker, PVC pipe cutter or hand saw, utility knife or deburring tool, and a nut driver or screwdriver.

Specifications

PartCT-075 ¾″ Flexible Condensate P-Trap for HVAC Systems and Air Conditioners
Fits¾″ PVC pipe (bushing in) or ¾″ hub (bushing out), at each end
MaterialElastomeric polyvinyl chloride
ClampsStainless steel
Temperature-30°F minimum; 140°F maximum (intermittent)
Size1.30″ x 5.00″ x 8.12″
UseDrain, waste and vent only
Case quantity10
Made inUSA

Common questions

Will it fit my condensate line?

Each end fits ¾″ PVC pipe with its bushing in, or a ¾″ hub with the bushing out, so one end can go on a hub and the other on pipe. Not sure what you have? Reach out.

How do I clear a clog?

Squeeze the body by hand to break sediment loose. If that isn’t enough, back off the clamps with a nut driver, pull the trap out whole, clean it and reinstall it on the same connections. Then prime it again, the same way you did when you installed it.

Do I need to prime it?

Yes. After you install it, pour 3 to 6 ounces of tap water into the line above the trap. The water seal keeps the system’s fan from moving air through the drain, so condensate can drain out of the pan.

Do I need glue or primer?

No. The trap clamps on with stainless steel clamps, so there’s nothing to brush on and no cure time.

Can I use it on a furnace?

Yes. It’s made for HVAC, air conditioner and furnace condensate drain lines in residential and light commercial systems.

What temperatures can it handle?

Down to -30°F, and up to 140°F for short periods.