Crown AWR105ENST2PSU Boiler Aruba 4 - 87K BTU - Hot Water Boiler - NG - 82.9% AFUE - Chimney Vented - Up to 2,000 Ft. Altitude




The Aruba line of boilers has been a long standing signature line for Crown with its rock solid reliability and adaptability to nearly any installation conditions. At its core is a sturdy cast iron heat exchanger guaranteed to withstand years of operation without a hitch. A proprietary touchscreen control is included with the boiler, providing a single access point for low water cutoff, temperature, and ignition configuration. Gas can be supplied to the boiler from either side, allowing the Aruba to fit into nearly any space in your utility room. Proven in thousands of installations, Aruba a solid choice for any home heating application.

Product Features

Cast Iron Heat Exchanger
The heat exchanger at the core of the Aruba is made of durable cast iron, a material proven many times over for its reliability in heating applications.

Included Proprietary Control
This boiler comes with a control designed in-house specifically for operation with the Aruba 4 line. Because the control is designed to fit the boiler, it improves the reliability of operations and integrates seamlessly into unique applications.

Built-In Rear Draft Diverter
Crown's Aruba 4 boilers come stock with a rear draft diverter, making the boiler perfectly suited to low clearance installations.

Easily Convertible to Left Side Piping
The internal layout of the boiler makes field conversion to left side supply and return piping a simple task, further increasing the versatility of the Aruba 4's placement in your utility room.

California residents see 
General Information
Product Line
Aruba 4
Hot Water
Heat Exchanger Material
Cast Iron
Fuel Type 
Natural Gas
Combustion Type 
Vent Type 
Chimney Vent
DHW Production 
Single Stage
Mount Type
Minimum Altitude
0 Feet
Maximum Altitude
2000 Feet
Includes Pump
Assembly Type
82.9 %
Maximum Input Capacity 
105000 BTU
DOE Heating Capacity 
87000 BTU
Net I=B=R Capacity 
76000 BTU
Electrical Data
120 Volts
60 Hz
Flue Connection Size
5 Inches
Supply Connection
1 1/4 Inches
Return Connection
1 1/4 Inches
Product Height
39 1/2 Inches
Product Width
15 3/8 Inches
Product Depth
31 1/2 Inches
Product Weight
334 Pounds
Country of Origin
United States
ETL Listed
AHRI Certified
Warranty Information
Parts Warranty 
1 Year
Heat Exchanger Warranty
20 Years