➤ Fuel → No. 2 oil

➤ Capacity Rating* → 6-33 MBtu/hr (1.76-9.67 MW)

➤ Atomization Media → Air

➤ Fuel Pressure → 60 psig (4.22 kg/cm2) at igniter

➤ Atomizing Air → Pressure: 80 psig (5.62 kg/cm2) at igniter

➤ Flow → 0.40 lb air/1 lb fuel

➤ Cooling / Combustion Air → Flow: 60 SCFM (at igniter)

➤ Pressure Drop → Approximately 3 in. (76.2mm ) WC across device

➤ Connection → 1½ inch NPT female

➤ Length → Available in 2 inch (50.8mm) increments from 24 to 180 inches (609 to 4572 mm)

➤ Guide Tube Outside Diameter → 4”(101.6 mm) – igniter can be installed in an existing mount tube for a 4” (101.6 mm) diameter device

➤ Mount Tube Outside Diameter → 4.5” (114.3 mm)

➤ Construction Material → Guide Tube and Mount Tube – Carbon Steel, Furnace End of Guide Tube -304 Stainless Steel, Oil Tip Assembly – 304 Stainless Steel

➤ Retraction Assembly → Per Customer Requirements

➤ Oil Tip Assembly → Narrow or Wide angle, as required

➤ NFPA → Class 1, 2 or 3

➤ Input Voltage → 120 to 240 VAC, 50/60 Hz

➤ Input Power → 120 VAC @ 1.5 A (2-A fuse); 240 VAC @ 0.75A (1-A fuse)

➤ Output Voltage → 2000 VDC

➤ Output Energy → 12 joules per spark

➤ Spark Rate: → 3 per second (approximately)

➤ Duty Cycle → 50% at temp 0°F to 135°F (-18°C to 57°C) Ambient

✔︎ Class 1, 2 or 3 oil igniter
Capacity range from 6 to 30 MBtu/hr.

✔︎ Application Flexibility
The protected primary combustion zone ensures reliable operation in multiple environments.

✔︎ Easy Retrofit
With a diameter of only 4″, the DURAFire® fits most burners.

✔︎ Low Maintenance Requirements
No moving parts, a self-cleaning spark tip and no tools required to perform periodic inspection.

✔︎ Reliable Ignition
95% ignition rate in most applications.

✔︎ High Efficiency Air Atomizer
The internal mix atomizer is selected from a standard set of sizes for each project.

✔︎ Cooling/Combustion Air
Low cooling/combustion air requirements.

✔︎ Durability
Heavy duty material and no moving parts to wear out.

✔︎ Compatibility
Fits most existing mount tubes minimizing retrofit installation costs.