Condensate Drain Line Trap

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.

Condensate drain line trap.

Condensate comes from evaporator coil. In stock and ready to ship. It s similar to the trap under your kitchen or bathroom sink. 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.

A p trap is needed to block air and allow condensate to drain properly. If there is a drain line of considerable length that has pockets of water remaining in the line after condensate ceases then the evaporation rate in a p trap could be as low as 1 1 inches per month. In stock order soon. In arid regions the evaporation rate will be higher up to 3 inches per month.

99 7 96 7. A central air system routes condensation through a u shaped trap located in the drain line just outside the air handler. More buying choices 37 89 2 new offers rectorseal 83406 ez transparent trap. P traps have to be installed on a suction system so a p trap was added.

Condensate switches imc 307 2 3 states that all hvac equipment that produces condensate must have either a secondary drain line or a condensate overflow switch a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks. If fan is located before the coil in the system the fan will push small amount of air and water down condensate drain. Air was coming in from the outside and creating a dam which was preventing the con. If fan is located upstream of coil fan will pull water up drain line counter to water flowing down drain.

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