The first would be a bathroom or kitchen in that part of the house and the other would be a pressurized drain system with pipes.
Draining pipe going in attic.
Moving plumbing pipes from a slab to an attic use pex pipe.
When running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper.
Typically air handling units installed in the attic or closet spaces upstairs will have two condensation drain pipes for condensation.
There are some systems that utilize a pump rather than a drain.
Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.
Placing water pipes in outside walls greatly increases the risk of frozen and burst pipes in cold.
If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line.
Both kitchen 1 1 2 inches and bathroom 1 1 4 inches are smaller than the rest of the drain system on purpose.
A powerful wet dry vac and proper hose attachment can take care of most jobs.
Only two plumbing set ups could require sewer pipes in the attic.
It happens because the vent pipe sticking through the roof gets as cold as the air temperature.
The use of tec vent in return air plenums shall be allowed only in engineered drainage systems designed by a design professional and approved by the local authority.
Any pipe trough to the attic it call ventilation pipe they are design to pressurize the drain system and exit of the bad gases by entry of the air trough to those pipe water in drain pipe will go.
This will kill any algae mold or mildew that has formed in the pipe.
Luckily it is usually easy to clear out a clog.
They lead into larger branch drain pipes which lead into the 4 inch stack.
Studor aavs installed in attic area must be located a minimum of six 6 inches above the ceiling insulation.
When installing your vents it s highly recommended that you plan out your drain lines to minimize the risk of clogging.
Watch this video to find out more.
A clog in the drain line of an attic ac unit is a homeowner s worst nightmare.
One is the primary condensation drain pipe where the water should continuously drain the condensation during the cooling season and in the winter.
A catch basin is a buried box with a grate on top and openings for underground pipes to connect.
Surface water runs into the catch basin and is routed away in buried drainage pipes.
If the air temperature is cold enough outdoors the water vapor traveling up the pipe can freeze right to the sides of the pipe.
A french drain also routes water away underground by allowing it to flow through a gravel filled trench.