Description
- 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
- Energy Star Rating
- 87% AFUE Series 3
Technical Data
| Model | AFUE (%) | CSA Input (MBH) | Net (MBH) | DOE Heating Cap. (MBH) | Vent Size (in.) |
|---|---|---|---|---|---|
| UO-3 (0.80 GPH) | 87 | 0.8 | 85 | 99 | 8 x 8 |
| UO-3 (1.00 GPH) | 87 | 1 | 106 | 123 | 8 x 8 |
| UO-4 | 87 | 1.2 | 127 | 148 | 8 x 8 |
| UO-5 | 87 | 1 | 150 | 173 | 8 x 8 |
Downloads
Boiler
ultra-oil-advanced-features-module_1
Supplements
HydroStat 3250 Plus Temp Limit-LWCO Control Instructions_1
Ultra Oil Direct Vent Kit Instructions
ultra-oil-riello-direct-vent-burner-manual_1
Brochures and Sales Collateral
Manuals
ultra-oil-carlin-cv-burner-manual_1
RW Beckett NX Burner Manual for Ultra Oil VBL 0321
RW Beckett AFG Burner Manual for Ultra Oil VBL 0321
Ultra Oil Boiler Manual VBL Version for Web 0621
ultra-oil-riello-cv-burner-manual_1
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