P Trap On Ac Drain Line

Condensate comes from evaporator coil.

P trap on ac drain line.

That is why in the summer your car drips water. If fan is located upstream of coil fan will pull water up drain line counter to water flowing down drain. Air conditioning units pull a lot of water out of the air. This video is part of the heating and cooling series of training videos made to a.

Trap failures due to freeze up drying out breakage blockage and or improper installation can compromise the seal against air ingestion through the condensate drain line. Traps with insufficient height between the inlet and outlet design deficiency on draw through systems can cause the drain to back up when the fan is on possibly causing. Anytime your drain goes up and down more than once you have a double trap unless you place an air vent between the two traps that vents above the drain inlet. A p trap serves a very important purpose on an a c unit.

There is a major difference between using p traps on sanitary applications and condensate removal from an ac unit and that is. If fan is located before the coil in the system the fan will push small amount of air and water down condensate drain. What is a p trap you say. Ok here is some detail.

To prevent sewer gases from coming back up the line this doesnt drain to a sewer it drains to the backyard. It s similar to the trap under your kitchen or bathroom sink. All air conditioners have a special drain for. Also capped the p trap on the.

I guess in an effort to make sure that there is one when it is actually needed. This one tells why a p trap is necessary on the air conditioner evaporator. The ac equipment is set on the slab floor or curb and it is the mechanical contractor s job to install a p trap. A central air system routes condensation through a u shaped trap located in the drain line just outside the air handler.

See when moist air hits something cold the water condenses out of the air and collects on the cold surface. The double trap causes drainage issues because air becomes trapped between the two traps and air is lighter than water. 08 22 2018 09 32 pm 4. It seems that all of the large ac companies have their installers put a p trap on every unit.