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Description
**Series 3 Ultra Boiler
Key Features
- Gas fired water boiler with cast aluminum heat exchanger
- Venturi mixing body mixes air and gas providing higher efficiency
- Designed to operate in low temperature condensing applications
- Outdoor reset and domestic hot water priority standard
- Negative regulated gas valve precisely delivers gas to the boiler
- Electronic control module automatically adjusts blower speed and gas flow rate in response to environment
- Modulates with 5 to 1 turndown ratio
- Variable speed motor matches combustion output to heating needs
- High grade stainless steel burner features quiet operation, high efficiency, and cleaner combustion for low NOx applications.
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Specs
Vent Size:
3"
Water Connection:
1"
Gas Connection:
1/2"
BTU Input:
155000
BTU Output:
123000
Width (Inches):
22-13/16"
Vent Type:
Direct Vent
PVC
AL29-4C
Boiler Type:
High Efficiency
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