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COMBOMAX ULTRA 50 15KW 51,180 BTU Electric Boiler 63 Amp, 4-Stage 48 US Gallon

SKU: COMBOU50-15US

$7,322.00 $5,082.93

COMBINED ELECTRIC BOILER AND INSTANTANEOUS WATER HEATER

Get the best of both worlds

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. 

The COMBOMAX ULTRA is an electric boiler used for hydronic heating, and includes a copper heat exchanger submerged in the unit’s tank that is used to instantly produce domestic hot water.

  • KW*: 15
  • Amps 240V/1PH: 63
  • Elements: 2 X 3 KW + 2 X 4.5 KW
  • Stages: 4
  • Model# COMBOMAX ULTRA 50-15

• An ASME-compliant safety valve set to trigger at 30 psi on the tank side
• An ASME-compliant temperature and pressure safety valve set to 125psi/210°F on the domestic hot water side
• A temperature and pressure indicator
• A ½’’ automatic air valve with shut-off valve for easy replacement
• A thermostatic mixing valve for domestic hot water
• A pressure reducer/regulator adjusted to 12psi
• An ASSE1012 and CSA B64-3 certified check valve for drinking water
• A ¾’’ drain valve to empty the tank
• A domestic hot water exchanger drain valve
• The tank has adjustable legs

WARRANTIES
The AltSource is covered by a 15-year warranty on the tank and the domestic hot water exchanger on residential
applications,10 years on commercial applications and a 2-year warranty on accessories and electrical components.

* = 208V / 1PH WILL GIVE 75% OF NOMINAL CAPACITY

Weight 310 lbs
Dimensions 22 × 25 × 60.5 in
Brand

Attachments

Flyer combomaxULTRA, Manual comboUltra, Selection Guide combomaxULTRA, Specifications combomaxULTRA

Amps

63

Stage

4

Flyer combomaxULTRA
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Manual comboUltra
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Selection Guide combomaxULTRA
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Specifications combomaxULTRA
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