Ultra High Efficiency Oil Boiler
- Dedicated water-only oil boiler
- Flexible direct or chimney venting - no power assisted fan needed
- Reversible swing-away burner door
- Three-pass cast iron heat exchanger with captured elastomer seals
- Efficiency 86% AFUE
- Snap-on front jacket panel allows easy entry to the access burner door
- All piping, wiring, and venting connections are located in the rear of the boiler
- Optional Advanced Features Module that provides indoor/outdoor reset, DHW priority, stage firing and more
| MODEL | Output MBtuH | IBR MBtuH | Firing Rate GPH | AFUE | Water Content Gal. | HxWxD | Weight. Lbs. |
|---|
| UO-3 | 98.0 | 85.0 | 0.80 | 86.5 | 15.00 | 40x22.1x37 | 636 |
| UO-4 | 146.0 | 127.0 | 1.20 | 86.2 | 18.20 | 40x22.1x41 | 737 |
| UO-5 | 172.0 | 150.0 | 1.40 | 86.5 | 21.50 | 40x22.1x45 | 852 |
Warranty Information
- All Parts
for 24 months -
- Heat Exchanger for 240 months - Limited 20 Year Warranty
Available Documents
- View Document (2005 Ver., Black & White, Owners Manual, Boilers - Oil, Customer Information)
- View Document (Consumer Literature, Color)
- View Document (Advanced Features Module, Installation & Operation, Technical Information)
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