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Home  >  Hydronics  >  Boilers  >  Residential High Efficiency  > CU3A-160 160K BTUH

CU3A-160 160K BTUH VITOCROSSAL 300

Item #: 89722 
Manufacturer Item: CU3A352
Manufacturer: VIESSMANN MANUF. CO.,INC.
43000 to 160000 BTU/Hr, Floor Standing, Compact, High Efficiency, Condensing, Residential Natural/Liquid Propane Gas Boiler

Compact, floor-standing gas condensing boiler from 19-199 MBH

High efficiency of 95% AFUE on all models

Vitocrossal Pocket Design with wide water passage ways allow for system/full flow applications

No dedicated boiler pump required and eliminates primary/secondary piping

Matrix dome gas burner with 5:1 turndown ratio to ensure high efficiency and extremely clean combustion

High water volume extends burner run time and reduces cycling

A self-calibrating Lambda Pro combustion management system ensures optimal combustion efficiency at all times regardless of gas/air quality

Simple commissioning with no field adjustments and adjusts to all fuel types

Durable, reliable and long service life with Inox-Crossal stainless steel heat exchanger and high mass design

Multiple venting options and configurations with vent lengths up to 198 foot

Multi-boiler installation with 8 boilers up to 1592 MBH

Residential High Efficiency

Applicable Standard
ASME H, CSA
Boiler Dimensions
31-1/2 Inch Length x 26 Inch Width x 61-1/2 Inch H
Gas Connection
3/4 Inch Male Threaded
Gas Type
Natural/Liquid Propane
Supply Connection
1-1/4 Inch
Type
Floor Standing, Compact, High Efficiency, Condensi
AFUE Rating
95 Percent
AGA Input Rating
43000 to 160000 BTU/Hour
Return Connection
1-1/4 Inch
DOE Heating Capacity
40000 to 149000 BTU/Hour
Options
Multiple Venting
Warranty
Lifetime Limited
Burner Type
Stainless Steel Inox-Crossal Heat Exchanger and Ma
Pressure Rating
4 Inch WC (Natural Gas), 10 Inch WC (Liquid Propan