Vitocrossal 300 CA3B is a commercial gas-fired condensing boiler with stainless steel Inox-Lamellar heat exchanger and fully-modulating burners. Rated input: 2500 to 6000 MBH.
Outstanding thermal efficiency
Ideal for commercial buildings
Common venting up to four boilers
No dedicated boiler pump required
Low emissions & quiet operation With fully modulating Viessmann pre-mix cylinder burners (up to 3).
Easy fuel changeover From NG to LP with a simple turn of a key (on Dual Fuel models).
Fully assembled boiler Simplifies installation and commissioning.
Large water content Reduces wasteful burner cycling which increases system efficiency and overall durability.
Seamless integration With building management systems.
Venting flexibility Venting through the sidewall or chimney, and combustion air options of sealed combustion or room dependent.
