N/A Cross-braces two included to capture water heater within the platform Four corner attachment points allows for seismic/sway bracing connection Includes PVC drain body 1" MIPT x 1" FS Patent Pending Professional Engineer stamped documentation available Static load rating 375 pounds with 2X safety factor (depending on structural anchorage) Suspends with user-supplied 3/8" or 1/2" threaded rod and hardware Watertight corners and drain fittings eliminate need for additional drain pan Wide platform allows water heaters up to 21-1/4" diameter