VIESSMANN CU3A-45 Vitocrossal 300 CU3A

Product Description

The VIESSMANN CU3A-45 Vitocrossal 300 CU3A is a gas-fired floor-standing boiler designed for efficient heating. The unit features a stainless steel Inox-Crossal heat exchanger and a MatriX dome gas burner. It has a rated input range from nineteen to one hundred ninety-nine MBH, making it ideal for boiler retrofits and new construction projects.

• Rated at 95% AFUE for efficient operation.
• Top operating temperature reaches up to one hundred ninety-four degrees Fahrenheit (ninety degrees Celsius).
• High water volume for extended burner run time and reduced short cycling.

Product Highlights

The boiler's design supports high temperature capability and minimizes energy waste.

Product Information

Standard Information

• Fuel Type: Natural gas (NG) or liquid propane gas (LPG)
• Efficiency (AFUE): 95%

Technical Specifications

• Min. Input: 19,000 BTU (5.6 kW) for CU3A-94; 25,000 BTU (7.3 kW) for CU3A-125; 43,000 BTU (12.6 kW) for CU3A-160 & CU3A-199
• Max. Input: 94,000 BTU (27.5 kW) for CU3A-94; 125,000 BTU (36.6 kW) for CU3A-125; 160,000 BTU (47 kW) for CU3A-160; 199,000 BTU (58 kW) for CU3A-199
• Depth: 27 inches for CU3A-94 & CU3A-125; 31.5 inches for CU3A-160 & CU3A-199
• Width: 26 inches for all models
• Height: 61.5 inches with control interface closed; 67 inches with control interface open