Heatmaster TC Condensing Combi Boiler

HeatMaster TC

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. This innovative product is 95% energy efficient and is available in 2 models, 240 & 399 MBH.

Warranty Info

10 Year Limited Warranty Limited five year warranty* on all HeatMaster TC Combination boiler & domestic water heater component parts, limited one year warranty on igniter.

Features or Benefits

  • 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
  • 4” PVC, CPVC, PP, or AL29-4C venting up to 100 equivalent feet
  • Limited 5 year warranty on parts, except igniter

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