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Commercial eF Series® Ultra-High Efficiency Energy Saver Gas Water Heaters
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Commercial eF Series® Ultra-High Efficiency Energy Saver Gas Water Heaters
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Commercial eF Series® Ultra-High Efficiency Energy Saver Gas Water Heaters
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Commercial eF Series® Ultra-High Efficiency Energy Saver Gas Water Heaters
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Commercial eF Series® Ultra-High Efficiency Energy Saver Gas Water Heaters
Manufacturer N/A Bradford White®
Standard Type N/A ASME N/A ASME N/A ASME N/A Non-ASME N/A Non-ASME
Maximum Intake Length for 2" Vent Pipe (Power Direct Vent) N/A 15 ft
Maximum Exhaust Length for 2" Vent Pipe (Power Direct Vent) N/A 15 ft
Maximum Exhaust Length for 2" Vent Pipe (Power Vent) N/A 30 ft
Maximum Intake Length for 3" Vent Pipe (Power Direct Vent) N/A 60 ft N/A 50 ft N/A 40 ft N/A 60 ft N/A 50 ft
Maximum Exhaust Length for 3" Vent Pipe (Power Direct Vent) N/A 60 ft N/A 50 ft N/A 40 ft N/A 60 ft N/A 50 ft
Maximum Exhaust Length for 3" Vent Pipe (Power Vent) N/A 120 ft N/A 100 ft N/A 80 ft N/A 120 ft N/A 100 ft
Maximum Intake Length for 4" Vent Pipe (Power Direct Vent) N/A 85 ft N/A 75 ft N/A 65 ft N/A 85 ft N/A 75 ft
Maximum Exhaust Length for 4" Vent Pipe (Power Direct Vent) N/A 85 ft N/A 75 ft N/A 65 ft N/A 85 ft N/A 75 ft
Maximum Exhaust Length for 4" Vent Pipe (Power Vent) N/A 170 ft N/A 150 ft N/A 130 ft N/A 170 ft N/A 150 ft
Capacity N/A 60 U.S. gal50 Imp. gal227 L
Input Power N/A 125000 BTU/hr36.6 kW·h N/A 150000 BTU/hr43.9 kW·h N/A 199999 BTU/hr58.6 kW·h N/A 125000 BTU/hr36.6 kW·h N/A 150000 BTU/hr43.9 kW·h
First Hour Delivery at 100 ºF Temperature Rise N/A 187 gal N/A 211 gal N/A 265 gal N/A 187 gal N/A 211 gal
Recovery at 40 ºF Degree Rise N/A 364 gal/h N/A 423 gal/h N/A 558 gal/h N/A 364 gal/h N/A 423 gal/h
Recovery at 22 ºC Degree Rise N/A 1378 L/h N/A 1601 L/h N/A 2112 L/h N/A 1378 L/h N/A 1601 L/h
Recovery at 100 ºF Degree Rise N/A 145 gal/h N/A 169 gal/h N/A 223 gal/h N/A 145 gal/h N/A 169 gal/h
Recovery at 56 ºC Degree Rise N/A 549 L/h N/A 640 L/h N/A 844 L/h N/A 549 L/h N/A 640 L/h
Recovery at 140 ºF Degree Rise N/A 104 gal/h N/A 121 gal/h N/A 159 gal/h N/A 104 gal/h N/A 121 gal/h
Recovery at 78 ºC Degree Rise N/A 394 L/h N/A 458 L/h N/A 602 L/h N/A 394 L/h N/A 458 L/h
Thermal Efficiency N/A 96 % N/A 93 % N/A 92 % N/A 96 % N/A 93 %
Schematic N/A
Schematic Drawing for Commercial eF Series® Ultra High Efficiency Energy Saver Gas Water Heaters
Floor to Top of Heater A N/A 57 in1448 mm
Jacket Diameter B N/A 28-1/4 in718 mm
Floor to Hot Water Connection C N/A 42-1/2 in1087 mm
Floor to Cold Water Connection D N/A 13 in330 mm
Floor to Gas Connection E N/A 53-1/2 in1359 mm
Floor to Vent Connection F N/A 5 in127 mm
Floor to Air Intake Connection G N/A 52-1/2 in1334 mm
Floor to T and P Connection H N/A 40 in1016 mm
Water Connection Diameter N/A 1-1/2 in38 mm
Gas Connection Diameter N/A 3/4 in19 mm
Relief Valve Opening N/A 3/4 in19 mm
Approximate Shipping Weight N/A 570 lb259 kg
Type N/A Natural Gas
Style N/A Ultra-High Efficiency
Size N/A C
Test Pressure N/A 300 psi2068 kPa
Working Pressure N/A 150 psi1034 kPa
Industry Standards N/A AHRI Certified® ASME Certified CSA® Certified NSF
General Information N/A All gas water heaters are certified at 300 psi test pressure (2068 kPa) and 150 psi working pressure (1034 kPa). All models are design certified by CSA® International (formerly AGA/CGA), ANSI standard Z-21.10.3, for up to 180 ºF (82 ºC) application as an Automatic Storage Heater. As an Automatic Storage Heater, all models are complete, self-contained water heating systems. It needs no separate storage tank, pump, wiring or elaborate piping network. When equipped with a mixing valve, it will supply 180 ºF (82 ºC) sanitizing and lower temperature general purpose hot water simultaneously. These models can be used either as a single unit or in multiples connected in series or parallel (recommended).

Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.
Optional Equipment Features N/A Maxitrol Gas Pressure Regulating valve - Ensures proper supply pressure to eF unit of 7" to 11" W.C. (provided incoming pressure is between 1/2 and 2 psi). This can be ordered as a separate part, or as part of the heater.

NSF Compliance Kit - p/n 265-44542-04.

Low Gas Inlet Pressure Option - Pre-assembled to allow operation at lower inlet natural gas pressure (Down to 3.5" w.c.).
Additional Equipment Features N/A
  • Three Pass Flue System - The three pass flue system keeps the hot combustion gases moving at a high velocity. The combination of high turbulence and velocity causes an enormous rate of heat transfer into the water. The third pass is Vitraglas® lined to provide added protection against condensate corrosion.
  • Submerged Combustion Chamber - Submerging the combustion chamber in the center of the water storage tank minimizes radiant heat loss and improves efficiency.
  • Zero Inch Clearance - The eFSeries® jacket is cool to the touch and is approved for zero inch clearance to combustibles for unsurpassed installation flexibility.
  • Vitraglas® Lining - Bradford White tanks are lined with an exclusively engineered enamel formula that provides superior tank protection from the highly corrosive effects of hot water. This formula (Vitraglas®) is fused to the steel surface by firing at a temperature of over 1600 ºF (871 ºC).
  • Magnesium Anode Rods - Each eF Series® model has four anodes to provide added protection against corrosion for long trouble-free service.
  • Factory Installed Hydrojet® Sediment Reduction System - Cold water inlet sediment reducing device helps prevent sediment build up in tank. Increases first hour delivery of hot water while minimizing temperature build up in tank.
  • Water Connections - Factory installed true dielectric waterway fittings extend water heater life and eases installation.
  • Hand Hole Cleanout - Allows inspection of tank interior and facilitates the removal of sediment deposits.
  • E.C.O. - A manual re-set Energy Cut Off (E.C.O) shuts off all gas in event of an overheat condition. The ECO is manually resettable.
  • Non-CFC Foam Insulation - Covers the sides and top of tank, reducing the amount of heat loss. This results in less energy consumption, improved operation efficiencies and jacket rigidity.
Features N/A
  • Thermal Efficiency up to 99.1% - Ultra High Efficiency results in less fuel consumption and greater hot water recovery.
  • ICON HD™ - Intelligent proven design combines temperature control, diagnostic codes, and system ignition functions into a single control board with a digital LCD display.
  • Factory Installed Hydrojet® Sediment Reduction System - Cold water inlet sediment reducing device helps prevent sediment build up in the tank.
  • Direct Spark Ignition - For improved operational dependability and durability.
  • Operation Mode - Two different digitally displayed operation modes have the capability of adjusting the temperature setting up to 180 ºF (82 ºC), and adjusting the degree setting (ºF to ºC, or ºC to ºF).
  • Service Mode - Eight different digitally displayed service screens can be easily cycled through by pressing the select button. There is the capability of adjusting the temperature setting up to 180 ºF (82 ºC), adjusting the degree setting (ºF to ºC, or ºC to ºF), locking the maximum temperature setting that can be adjusted in operation mode, displaying the temperature sensor reading, displaying the flame current, and displaying diagnostic codes.
  • Premix Power Burner - A self compensating negative regulation system automatically increases or decreases fuel flow when a change in combustion air is detected. This provides the range for optimum combustion and efficiency (automatic high altitude compatibility).
  • Flexible Venting - The eF Series® can vent vertically or horizontally with either 2", 3" or 4" PVC, CPVC or ABS (not approved for Canada) vent pipe, and is approved for direct vent closed combustion applications, or those applications that require inside air for combustion. Foam Core pipe is permitted on the entire venting system. The eF Series® is also approved for unbalanced venting, which means the air intake pipe doesn't have to be vented the same distance as the exhaust.
  • 1" NPT Side Connections for Space Heating.
  • Sanitizing Capability - Temperature setting up to 180 ºF (82 ºC).
  • Complies with the latest ultra-low NOx requirement (14 ng/J NOx limit).
  • ASME Code Available on All Models.
  • NSF Construction Available.
  • T&P Relief Valve - Installed.
  • Low Restrictive Brass Drain Valve - Durable tamper proof design.
Warranty N/A
  • 3 or 5-Year Limited Tank Warranty.
  • 1-Year Limited Warranty on Component Parts.
Note N/A Air intake cannot exceed exhaust by more than 30 ft. in any venting situation. Subtract 5 ft. for each additional 90º elbow.

All models comply with the latest ultra-low NOx requirements of 14 ng/J or less. Amp Draw range = 1.0 to 1.8 amps.

14.0" w.c. maximum static, 4.5" w.c. minimum running (Recommend 7.0" w.c. minimum running)

Concentric Vent Kit Termination - 3" termination fitting provides for only one exit opening through wall or roof (p/n 239-44069-01).

Diagrams are for both 60 and 100 gallon models.