Condensing Combi Boilers

Heatmaster TC Condensing Combi Boiler

HeatMaster TC

Heatmaster TC Condensing Combi Boiler Icon
This unique high-efficiency combination boiler and domestic water heater is the only storage combination boiler in the world to fully condense during both hot water and heating modes.
  • 95% AFUE Efficiency
  • Total condensing in both space heating and domestic hot water modes
  • Satisfies simultaneous heating and hot water demands
  • Exclusive "Tank-in-Tank" technology
  • Floor standing
  • ACVMax control system
  • ANSI Z21.13 / CSA 4.9 Boiler Standard Compliance
  • ANSI Z21.10.3 / CSA 4.3 Water Heater Standard Compliance
  • ASME Heat Exchanger Certification - “H” & “HLW” Stamped
  • Approved for zero clearance to combustibles

Product Comparison

Model Fuel Input Modulation (mbh) Turndown AFUE 1st Hour Output (gal) Continuous Flow (gal/min) 10 Minute Peak Flow (gal)
HM240TC NG/LP 50 to 240 4.8 : 1 95% 410 6.2 110
HM399TC NG/LP 95 to 399 4.2 : 1 95%** 660 10.3 155