Hydronic Boilers

Condensing Boilers, Horizontal Three Pass Firetube Hydronic Boilers &
Vertical Firetube Hydronic Boilers

Aldrich Company manufactures a full array of hydronic boilers for the commercial heating market, including high efficiency condensing boilers, near-condensing boilers designed to improve energy efficiencies, horizontal firetube boilers and vertical firetube boilers.

CONDENSING BOILERS
A3C SERIES

  • 30, 80 & 160 PSI Design Options
  • High Efficiency Fully Condensing Boiler
  • Fuels: Gas • LP Gas • Gas/Oil
  • Maximum Performance
  • 8 Sizes – 1,000 MBH to 6,000 MBH
  • High Mass Design
  • Large Water Volume
  • Duplex Stainless Steel Heat Exchanger
  • 10:1 Turndown
  • Advanced Control Technology
  • Heavy Duty Construction
  • Thermal Shock Proof Design

CLASSIC SERIES
THREE PASS FIRETUBE HYDRONIC BOILERS

  • 30, 40, 80 & 150 PSI Design Options
  • 83 – 88% Efficiency
  • Inventor of the “Scotch Box” Design
  • “U-Type” Flex Joint
  • All Steel Construction
  • Thermal Shock Proof Resistance
  • Water Surrounded Cylindrical Furnace for Highest Heat Transfer
  • Water Cooled Reversing Chamber 4-Sided Wetback
  • Capacities: 12 – 250 BHP
  • Models up to 125 BHP Fit Through 36” Doorway
  • Fuels: Gas • Oil • Combination Gas/Oil • Digester Gas
  • Structural Channel Base
  • Optional Field Erect Boilers
  • Ideal for Multiple Boiler Installations
  • Package with Aldrich Boiler Management Panel for Highest System Efficiency
  • Ease of Maintenance, Access to Firetubes

VERTICAL FIRETUBE HYDRONIC BOILERS
AVR AVW K L

  • 30, 100 & 150 PSI Design Options
  • 80 – 88% Efficiency
  • All Steel Construction
  • Thermal Shock Proof Resistance
  • Water Surrounded Cylindrical Furnace for Highest Heat Transfer
  • Capacities: 5 – 86 BHP
  • Optional Tankless Coil for Indirect Loads
  • Fuels: Gas • Oil • Combination Gas/Oil
  • Ideal for Multiple Boiler Installations
  • Package with Aldrich Boiler Management Panel for Highest System Efficiency
  • Ease of Maintenance, Access to Firetubes
CLASSIC Series – Three Pass 83-88% Efficiency 12-200 BHP

CLASSIC Series – Three Pass
83-88% Efficiency
12-250 BHP

AVR SERIES – 85-87% Efficiency 16 – 86 BHP

AVR Series
85-87% Efficiency
16-86 BHP

AVW Series – 83% Efficiency 8-83 BHP

AVW Series
83-85% Efficiency
8-83 BHP

K Series – 80% Efficiency 10-40 BHP

K Series
80-83% Efficiency
10-40 BHP

A3C SERIES

A3C Series
High Efficiency