Raypak introduces the XVers commercial stainless steel fire tube boiler. XVers has many advanced features that ensure long life and simple, quick commissioning for the installer. With an input range from 856-3,006 MBTUH, the XVers may be applied to primary flow or primary-secondary systems. With innovations such as Sure Start, integrated flow sensor, and simple programming for vent material and glycol, contractors and engineers are able to install with extreme ease.