The XVers L is the newest hydronic boiler from Raypak, a Rheem company. The XVers L is built to automatically assess the temperature and adjust to make sure the environment is controlled and comfortable. It's engineered with Raymote access, so it allows users to stay connected and informed from any location. The XVers L is available in sizes from 399 to 850 MBTUH which expands the reliable XVers family of boilers. Users can feel secure with Raypak, and know that they're keeping their buildings, schools, multi-family housing, hospitals and gyms warm and energy efficient with the XVers L line of hydronic boilers.