Primary / Secondary School, School / University Sprinkler system controls fire at elementary school (Westwood, NJ) August 16, 2012 viking210 Authorities are investigating an Aug. 9 fire at Brookside Elementary that they believe was caused by a hot water heater in the school’s boiler room, Westwood Fire Chief Jaymee Hodges said. “The room’s fire sprinkler kept the fire under control until firefighters could secure the gas,” he said.