

They are put in place to stop any unwanted odours or bacteria returning back through the waste pipe. There are different types of traps for indoor and outdoor use. Summary of the regulations on traps.Ī trap is a fitting that creates a water seal between the soil vent pipes and other externalities. Information on soil pipes can be found in the sanitary pipework section of the government’s Drainage and waste disposal: Approved Document H. An ‘air trap’ is a clear vertical area between the water outlet and flood level of the actual installation.

+ not more than 1 WC with outlet size less than 80mm.It is often referred to as the ‘pan’ which is also part of the condensate drain line. A ‘condensate trap’ is the area where condensation is collected before it is sent to the drain line.There is a large area beneath the system that collects condensation and sends it towards the pipe system so that it can be disposed of. A ‘condensate drain line’ is part of a heating, ventilation and air conditioning unit.A ‘stub stack’ is a shortened version of soil vent pipe which has an air admittance valve fitted in order to suppress unwanted smells.‘Sanitary pipework’ is pipe work that is not underground.A ‘discharge pipe’ is a kind of pipe where unwanted fluids can be discharged.A ‘branch’ is a part of the pipe system that allows one pipe run to split into two, or a means to attach another pipe run into a main pipe run.A ‘trap’ is a fittings that forms a water seal put between soil vent pipes and other externalities.A ‘water seal’ is a seal formed by water to prevent gas passing through.A ‘soil stack’ is the pipework system that takes the waste water from the plumbing in the upstairs of a building and runs it down the side of a property and into an underground drainage system.Before we get going, we should explain some of the terminology used within this blog post:
