91 items
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NTIC851P2A1 MFG #: 3260015
- AFUE: 85.00 - 89.99%
- Boiler Material: Steel
- BTU Output: 50,000 - 74,999
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NTIC951T2A4 MFG #: 3260017
- AFUE: 85.00 - 89.99%
- Boiler Material: Steel
- BTU Output: 75,000 - 99,999
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PEEECT06S MFG #: 1606102
- AFUE: 80.00 - 84.99%
- Boiler Material: Cast Iron
- BTU Output: 200,000+