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COMBOU 70-15US

Thermal2000 bth ULTRA 15kw, 51k BTU/hr Combination Electric Boiler/Water Heater, 70 Gal.

A combination without compromise

The ComboMax ULTRA is an electric boiler combined with an instantaneous water heater for residential applications. Available in two sizes, the ComboMax ULTRA offers performance levels from 4.5 kW to 29 kW. This 2-in-1 solution can easily heat large buildings of up to 4750 sq.ft. and provide domestic hot water in less than 7 seconds. Almost maintenance-free, it offers incredible energy efficiency! This unit requires less space, provides quality water, and has a long lifespan. What’s more, the ComboMax ULTRA is covered by a 15-year warranty. Thanks to its T2 UltraSmartTM controller, it offers optimal comfort with accurate temperature management.

Factory Direct
Non-Returnable
$ 5,723.42 $ 5,723.42

  • Manufacturer
  • Electrical
  • Max Working Pressure
  • NSF Listed
  • Fuel Type
  • Heat Output (BTU/hr)
  • Stages
  • Electrical Supply (Awg)
  • DHW Production in 1 hr (Gal)
  • DHW Production in 10 min (Gal)
  • Mounting
  • Condensing
  • Output Capacity (BTU/hr)
  • DHW Capability
  • Heat Exchanger Material
  • Water Connection Size
  • Warranty (Heat Exchanger)
  • Warranty (Parts)
  • Input Capacity (BTU/hr)
  • Vent Type
  • Amp Draw
  • Voltage
  • Power (kW)
  • Breaker (Amp)
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Manufacturer: Thermo2000
Electrical: 120/240 VAC, 60 Hz, 1-phase
Max Working Pressure: 30 psi
NSF Listed: Yes
Fuel Type: Electric
Heat Output (BTU/hr): 51,180 BTU/hr
Stages: 4
Electrical Supply (Awg): 6 awg Cu, 4 awg Al
DHW Production in 1 hr (Gal): 157
DHW Production in 10 min (Gal): 84
Mounting: Floor-Standing
Condensing: No
Output Capacity (BTU/hr): 51,200 BTU/hr
DHW Capability: Combi
Heat Exchanger Material: Copper
Water Connection Size: 1-1/4 in. NPT
Warranty (Heat Exchanger): 15 years (residential), 10 years (commercial)
Warranty (Parts): 2 years
Input Capacity (BTU/hr): 51,200 BTU/hr
Vent Type: N/A
Amp Draw: 63
Voltage: 240 VAC / 60 Hz / 1 Phase
Breaker (Amp): 80 Amp
Documents
Thermo2000 Combomax Brochure Thermo2000 Combomax Guide Thermo2000 Combomax Manual Thermo2000 Combomax Submittal
Voltage (VAC/Hz/Phase)240 VAC / 60 Hz / 1 Phase
Power (kW)15 kW
Heat Output (BTU/hr)51,180 BTU/hr
Current Load (Amps)63
Elements (kw)2 x 3 kW + 2 x 4.5 kW
Stages4
Electrical Supply (Awg)6 awg Cu, 4 awg Al
Breaker (Amp)80 Amp
DHW Production in 10 min (Gal)84
DHW Production in 1 hr (Gal)157