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AquaBalance Series 1

  • Up to 94.4% AFUE energy efficiency
  • Available in 80, 120 and 155 Btu/Hr inputs sizes
  • All 3 sizes available in heat-only, or combination space and domestic hot water heating versions
  • Natural or Propane (LP) gas operation – shipped as NG, optional LP conversion kit available
  • 1" diameter ASME certified 316L stainless steel single tube heat exchanger – low pressure drop
  • 4 gallons per minute DHW 155 combi (70-degree rise )
  • Internal 3-speed Grundfos circulator (combi versions only)
  • Compact design – increases placement options
  • Heavy gauge insulated jacket – provides quiet operation
  • Contractor-friendly removable sides
  • Pre-wired, plug-in ready electrical design
  • Commercial grade 120V power 6' cord with 3 prong plug
  • 24 VAC thermostat relay, fuse protected with prewired terminal strip
  • Honeywell control with digital display
  • Wall mounting bracket and hardware
  • Unique "3-in-1" vent adapter – readily accepts PVC, CPVC, SS or PP vent materials
  • Multiple vent options – direct vent, 2 pipes or concentric, through roof or sidewall
  • Low NOx SCAQMD compliant
  • Peace of mind warranty

Technical Data

Model AFUE (%) CSA Input (MBH) Net (MBH) DOE Heating Cap. (MBH) Vent Material Approx. Shipping Weight (Lbs.) Vent Size (in.)
Combi WMB- 80C 92.4 80 63 73 PVC, CPVC, PP, SS 61 2 or 3
Combi WMB-120C 92.2 120 95 109 PVC, CPVC, PP, SS 64 2 or 3
Combi WMB-155C 94.4 155 124 143 PVC, CPVC, PP, SS 67 3
WMB- 80 92.4 80 63 73 PVC, CPVC, PP, SS 61 2 or 3
WMB-120 92.2 120 95 109 PVC, CPVC, PP, SS 64 2 or 3
WMB-155 94.4 155 124 143 PVC, CPVC, PP, SS 67 3

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