Modulating Gas-Fired Hydronic and Combination Boiler/Water Heater

The ingenious Laars Endurance design delivers space heating and an endless supply of domestic hot water in one small package!

The gas-fired, sealed combustion, combination boiler and water heater offers uniform space heating as well as quick delivery of an endless supply of domestic hot water, all in one compact, efficient package. One Endurance can do the work that traditionally has been done by two separate heating appliances, saving space, energy and money! 

High 85%+ efficiency, non-condensing combination boiler and domestic water heater, low Nox, modulation, Category II & IV

Endurance - Residential - Combination Boiler and Water Heater (Size Range: 110 and 175 MBH) - Indoor

Standard Features

  • Design certified and tested by International Approval Services (American & Canadian Gas Associations)
  • Material specifications per Section IV, ASME code
  • Maximum working pressure - water 30 P.S.I., ASME rated
  • Hydrostatic test pressure at factory - 60 P.S.I.
  • Natural or propane gas
  • Minimum gas supply pressure - 4" w.c.