How To Make Condensating P Trap On Roof Top Unit

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 drain pan overflow or water droplet carryover into.

How to make condensating p trap on roof top unit.

P traps have to be installed on a suction system so a p trap was added. The pull of the water to the drain has to exceed the sucking of the supply fan negative pressure rule of thumb add 2 5 to the static pressure before the fan return and internal to the unit and that s the long end. The condensate line comes out of the main trunk and runs to the floor just above the drain near the furnace. This video is to demonstrate the necessity of a trap on a rooftop furnace and air conditioner unit.

Viper condensate pan and drain treatment is a sprayable gel. Air was coming in from the outside and creating a dam which was preventing the con. Been looking at some posts around here and notice a lot of mention of p traps for a c condensate lines. 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.

Since the drain is on the return side of the ducting the bower will suck lots of air in through. Another key component of a p trap is an air vent the air vent prevents the drain that comes after the p trap from siphoning the water in the trap out. The important dimensions for a p trap are that the exit point of the trap is 4 to 6 inches lower than the entrance point. I have a forced air furnace air handler in my basement with a standard a c unit condenser out side a c coil in the main supply truck about a couple inches over the furnace air handler.

Do you know the proper way to size a p trap on an hvac unit. This includes rooftop units. The overall height of the trap should.