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Ultra oil

3-pass cast iron high efficiency heat exchanger
Models: UO-3 (0.80 GPH), UO-3 (1.00 GPH), UO-4, UO-5

Key FeaturesRatingsSpec Sheets

- Optional Advanced Features Module that provides indoor/outdoor reset, DHW priority, stage firing and more

- 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