Image of an Exalt Wall Boiler

Heat Only Floor Standing

The Exalt Heat Only Floor Standing comes loaded with features such as: Caleffi 548 Series Separator, iAssist Wi-Fi connectivity and an all stainless steel fire tube heat exchanger. CTRLMAX Control System-EZ Setup allows for a quick :60 second setup. Easy troubleshooting in plain text, no codes. The 3-in-1 Universal vent adapter directly accepts PVC, Polypropylene, and Stainless Steel. Sizes are available in 110, 155, 199 MBH and can be cascaded up to six boilers.

Warranty Info

Peace of Mind Industry Leading Warranty Program: Standard – 2-year parts and 10-year primary heat exchanger warranty. Plus – 5-year parts, 2-year labor allowance, and 10-year primary heat exchanger warranty with registration. Elite – 6-year parts, 3-years labor and 12-year heat exchanger warranty offered with registration, combustion analysis and hydronic system treatment. See warranty for details.

Features and Benefits

  • Caleffi 548 Series Separator
  • iAssist Wi-Fi Connectivity for Easy Troubleshooting
  • Stainless Steel Fire Tube Heat Exchanger
  • Peace of Mind Industry Leading Warranty Program with Coverage up to 6 yr. Parts, 3 yr. Labor & 12 yr. Heat Exchanger
  • CTRLMAX Control System with 60 Second Set-up
  • Turndown Ratio up to 8:1
  • AFUE Efficiency Rating of 95%
  • 3 in 1 Universal Vent Adapter
  • ASME Certified
  • Natural Gas or Propane

Product Comparison

Exalt Model Heat Only 110 Heat Only 155 Heat Only 199
Min Input (BTU) 13,750 19,375 24,875
Max Input (BTU) 110,000 155,000 199,000
Turndown Ratio 8:1 8:1 8:1
AFUE 95% 95% 95%
DOE Heating Capacity (MBH) 102 142 184
AHRI Net Rating (MBH) 89 123 159
Fuel NG & LP NG & LP NG & LP
Gas Connection 3/4″ 3/4″ 3/4″
Supply / Return Connections 1” 1” 1”
Vent/Air Connections 3” 3” 3”
2” Maximum Vent Length 33’ 33’ 33’
3” Maximum Vent Length 100’ 100’ 100’
Water Volume (Gallons) 2 3 4
CH Maximum Flow Temperature (°F[°C]) 185 (85) 185 (85) 185 (85)
Cabinet Height 26” 26” 26”
Cabinet Width 21 3/4″ 21 3/4″ 21 3/4″
Cabinet Depth 16 1/2″ 16 1/2″ 16 1/2″
Weight (Lbs) 88 99 119