The Apex condensing stainless steel gas-fired hot water boilers offer a small footprint in a sleek jacket design, compact with an advanced control system that has simple to use features to optimize performance. Ideal for any installation with its lightweight design and can fit through a standard doorway. Boilers can also be two-unit stackable with supplied mounting brackets.

LOWEST PRESSURE DROP IN CLASS

  • 95% Thermal Efficiency
  • Stainless Steel Heat Exchanger
  • Full Modulation
  • 5:1 Turndown
  • 40% Less Pressure Drop
  • 30-50% Smaller Pump
  • 1/3 Annual Operating Cost
  • Multi-Function Control with Touchscreen Display
  • BMS Compatible
  • Sub 20 ppm NOx
  • Stackable Design
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Ratings & Capacities

Input: BTUH

 N/A 399,000 Btu/hr

Output: BTUH

 N/A 375,000 Btu/hr

Boiler

 N/A 11.3 bhp

Fuel

 N/A Natural Gas Propane

Inlet Gas Pressure (LP)

 N/A 14" W.C. Max. 8" W.C. Min.

Inlet Gas Pressure (NG)

 N/A 14" W.C. Max. 4" W.C. Min.

Approvals

Approvals

 N/A
Intertek ETL Listed C US

ASME Design Data

ASME Design Data

 N/A Max. 160 PSIG & 210ºF

Electrical Supply Options

Electrical Supply Options

 N/A 120v/1ph/60hz - <7 Amps

Ratings and Dimensional Data

MBH Input

 N/A 399 MBtu/hour

MBH Gross Output

 N/A 375 MBtu/hour

Net Ratings, Water MBH

 N/A 326 MBtu/hour

Thermal Efficiency

 N/A 94.1 %

Shipping Weight

 N/A 316 Pound