Even though i often hear the acidity of condensate as the reason for not discharging condensate directly into the sewage line a more practical reason is what would happen if the sewage line should ever back up.
Pipe drawing of hot condensate going to floor drain.
My a c units drain into a pvc pipe that is tied in to the house s plumbing.
A c condensate drains pumps.
Water lots of it.
3 4 is sufficient for up to 20 tons according to the imc unless the drain outlet size is larger than 3 4.
Codes installation leaks clogs connections troubleshooting repair.
This water gets refreshed whenever more water runs through it.
Nowhere to put vacuum to suck out clog.
Water runs down the sink drain into a p trap so called because it s shaped like the letter which fills up with water to prevent sewer gases and odors from getting into the house through the pipe.
Floor drains are most often installed during original construction often in the utility area to drain away excess water in the basement.
If the basement floor is lower than the spot where the main sewer line exits the home the floor drain could connect to a third type of drainage system a sewer pit with an ejector pump.
If the drain runs to a sewer pit which is not the same as a sump pit it s permissible to drain a washing machine or sink in the floor drain.
This method statement covers on site installation of all condensate upvc pipes for fan coils drains and galvanized pipework for ahu drains including supports expansion and anchor points for the condensate drainage system and insulation of the galvanized steel and upvc pipework.
Problems with a central air conditioner s condensate drain.
A drainpipe attached to the p trap goes into an opening in the wall.
This method statement defines the method that will be used to ensure that the condensate drain pipework system.
This article discusses the inspection and repair or un clogging of condensate disposal systems including air conditioning heat pump or condensing boiler furnace condensate drains condensate pumps and their proper installation as part of our review of condensate piping traps drains.
Condensate is allowed to drain into floor drains.
I traced the pipe through the attice and both units go into the large pvc pipe that goes down the wall and up out of the roof to the vent stack.
Imc 307 2 2 tells us that an a c condensate drain inside diameter should not be smaller than 3 4 and should not be smaller than the drain pan outlet diameter.