CommercialCondensing
NTI Trinity Tft
High-capacity commercial fire-tube condensing boiler with cascade capability.
93–95% AFUE$7,000 – $14,000 installed2 models
Trinity Tft models
Commercial
Trinity Tft400
AFUE
94%
Output
375k BTU
Turndown
5:1
Warranty
10 years
Installed from
$12,000
Commercial
Trinity Tft550
AFUE
94%
Output
517k BTU
Turndown
5:1
Warranty
10 years
Installed from
$15,000
Other NTI series
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