Model XD 1V Panic SVR exit devices are used for all types of single and double doors. Fire SVR exit devices are used for UL listed fire labeled single doors up to 8 x 8 (2438mm x 2438mm) double doors installation
These SVR models cannot be omitted the bottom rod to use as Less Bottom Rod (LBR) devices. If LBR devices are desired, see the Less Bottom Rod Surface Vertical Rod Exit Devices page