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Aldrich Boilers – AVW Series

Capacities: 5 – 83 BHP
Inputs from 200,000 to 3,300,000 BTUH
Outputs from 165,000 to 2,750,000 BTUH
83 – 85% Efficiency


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.

  • Fuels: Gas, Oil, Combination Gas/Oil
  • Vertical Firetube Boiler
  • 30, 100, or 150 PSI Design
  • Thermal Shock Proof Design
  • All Steel Construction, ASME Section IV
  • Engineered with Water Surrounded Furnace
  • Optional Heat Exchanger (Tankless Coil) for Indirect Loads
  • Insulated Boiler with 18 Gauge Boiler Jacket
  • New Installations
  • Retro-Fit Applications



Vertical firetube design with straight steel tubes with a minimum wall thickness of .105”. The boilers combustion chamber shall be water jacketed including a water surrounded furnace. Refractory sides or tube sheet protection is not allowed as these reduce the heat transfer. Boiler shall be sealed to permit positive combustion chamber pressure with turbulators installed in the firetubes. Boiler to have a minimum efficiency of 83%.


The forte of Aldrich Company has always been to only manufacture products of the highest quality and design, by using the finest materials available and employing loyal craftsmen with the skills and aptitude necessary towards this end. They outsource no sub-assemblies and They procure only domestic steel and tubing to fabricate their pressure vessels. All Aldrich boilers and water heaters are constructed and stamped to Section IV of the ASME code and registered with the National Board of Pressure Vessel Inspectors.


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