Print Back

The Apex condensing stainless steel gas-fired hot water boilers offer a small footprint in a sleek jacket design, compact with next generation watertube technology and 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

  • Up to 97% Thermal Efficiency
  • Next Generation Watertube Technology
  • Up to 50% Smaller Pumps
  • Reduced Electrical Consumption
  • Increased Venting Lengths
  • Full Modulation
  • 5:1 Burner Turndown
  • Concert Boiler Control with Advanced Touchscreen Display
  • BMS Compatible
  • Stackable Design; Eliminates Costly Stands
  • Eco Propel Variable Speed Pumping


FOR MORE DOWNLOADABLE DOCUMENTS, PLEASE SELECT A MODEL SIZE

Apex Condensing Boiler
1 

Item #

Input: BTUH

Output: BTUH

Boiler

Fuel

Shipping Weight

APX-425C N/A 399,000 Btu/hr N/A 375,000 Btu/hr N/A 11.3 bhp N/A Natural Gas Propane N/A 316 Pound
APX-525C N/A 500,000 Btu/hr N/A 485,000 Btu/hr N/A 14.5 bhp N/A Natural Gas Propane N/A 368 Pound
APX-625C N/A 625,000 Btu/hr N/A 594,000 Btu/hr N/A 17.7 bhp N/A Natural Gas Propane N/A 458 Pound
APX-725C N/A 725,000 Btu/hr N/A 689,000 Btu/hr N/A 20.6 bhp N/A Natural Gas Propane N/A 458 Pound
APX-825C N/A 800,000 Btu/hr N/A 760,000 Btu/hr N/A 22.7 bhp N/A Natural Gas Propane N/A 500 Pound
1