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

Ratings & Capacities

Input: BTUH

N/A 725,000 Btu/hr

Output: BTUH

N/A 689,000 Btu/hr

Boiler

N/A 20.6 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
ETL, {H} Listed

ASME Design Data

ASME Design Data

N/A Max. 160 PSIG & 210ºF

Electrical Supply Options

Electrical Supply Options

N/A 120v/1ph/60hz - < 8 Amps

Ratings and Dimensional Data

MBH Input

N/A 725 MBtu/hour

MBH Gross Output

N/A 689 MBtu/hour

Net Ratings, Water MBH

N/A 599 MBtu/hour

Thermal Efficiency

N/A 95 %

Shipping Weight

N/A 458 Pound