CondensingENERGY STAR
Trinity Tx151
by NTI · Trinity Tx series
4.5(41)
Efficiency
95%
AFUE
Output
143k
BTU/hr
Turndown
10:1
modulation
Warranty
10
yr exchanger
The Trinity Tx151 is a condensing boiler best suited for hydronic heating with indirect tank pairing. It delivers 95% AFUE efficiency with a 10:1 turndown ratio, backed by a 10 years heat-exchanger warranty.
Key features
- Modulating heat-only
- Stainless fire-tube
- Outdoor reset
Technical specifications
Boiler typeCondensing
FuelNatural Gas
AFUE efficiency95%
Heat input range15,000 – 151,000 BTU/hr
Heat output143,000 BTU/hr
Turndown ratio10:1
VentingDirect vent (PVC/CPVC)
Dimensions (H×W×D)28" H × 17" W × 12" D
Weight96 lbs
ENERGY STARCertified
Warranty coverage
Heat exchanger
10 years
Parts
5 years
Labour (via installer)
1 year
Installed price range
$5,000 – $6,400
Unit only: $3,000 – $3,800
≈ $99/mo · 60 mo @ 6.99% APR
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For the Trinity Tx151