Unipower A

Power Gas Burners

The Unipower A-Series burners are designed for maximum efficiency and versatility in large commercial and industrial applications. Our two basic chassis sizes, the extremely compact design, and modular components and assembly techniques, the Unipower A-Series burners can be arranged to meet virtually any application with unexcelled efficiency.

Burners are furnished with on-off controls as standard equipment. High-low and full modulating controls, and other special features are readily available to meet the specifications of the various insurance associations, state, local, and utilities, etc.

Each Unipower A-Series burner is shipped completely assembled and is thoroughly fire-tested at the factory to assure reliable operation.

All of our standarded A-Series burners are produced U.L. listed.

High combusion efficiency and maximum heating power required for industrial applications.

Features & Benefits

  • Gas Burners Up to 6,000,000 BTU/HR
  • Extremely Compact Design-makes the A-Series burner easier and more economical to service and install.
  • Simple, Stainless Steel Nozzle-signed for convenient installation and longer maintenance-free operation.
  • Spark lgnited Pilot-works under the most adverse conditions, ideally suited for the more difficult applications.
  • Quiet, High Speed Blower-directs the precise amount of combustion air necessary for efficient combustion, regardless of draft conditions.
  • Improved Fuel-Air Mixing System-insures high levels of combustion efficiency.

Specifications

Approx. Dimensions Control Box Access Approx. Dimensions
Model
Number

Minimum
Input MBH*
Maximum
Input MBH*
Motor
Horsepower**
A B C D E F G H
A50G< 420 1,500 1/3 16 7 7 9 1/2 3 7 28 11
A52G< 840 2,000 1/2 16 7 7 9 1/2 3 7 28 11
A53G< 840 2,500 3/4 16 7 7 9 1/2 3 7 28 11
A55G< 840 3,000 3/4 16 10 12 9 1/2 3 7 33 11
A73G< 1,680 4,200 1 1/2 14 10 12 13 6 8 1/2 34 12
A75G< 1,680 5,000 2 20 1/2 10 12 13 6 8 1/2 34 12
A77G 1,680 6,000 2 31 10 12 13 6 8 1/2 34 12
All dimensions shown in inches.
*Natural or Propane Gas 5" 14" W.C. BTU/HR, 1 MBH=1000 BTU/HR
**3450 RPM

Round Entry Adaptor

Model Number Dimensions J-Square K-Dia. L-Dia. Appox. Shipping Wt.
A5 12 11 13 13 lbs.
A7 13 12 1/2 14 1/2 15 lbs.

Mounting Flange

Model Number Bolt Circle Diameter Slot Width
A5 13 5/8
A7 14 1/2 5/8