F-N2 is used in new home construction or installed as a drain for condensates wherever there is a concern about gas or oders. Install for condensates for air conditioners, de-humidifiers, air to air heat exchanger or?energy efficient gas furnaces where no trapped drain is nearby.
Dranjer seals permit unrestricted flow of water into floor drains or sump pits while sealing out the entry of mold spores, insects and radon gas from the sub-slabe floor area.