B&W Products

FPS Gas Ignitor 

Use this quick guide to learn more about the vital parts of the FPS Oil Ignitor. Hover over the numbers.


FPS Gas Ignitor

Combustion/Cooling Air InletSpark and Flame Rod ConnectionsSpark and Flame Rod ConnectionsSeal/Aspirating Air ConnectionFlame Detection RodGas Nozzle AssemblyEddy PlateGuide TubePAI Spark Probe

Seal/Aspirating Air Connection (pressure-fired units only)

Seal air chamber allows removal of the spark
and flame rods

Eddy Plate

Provides proper mixing of the combustion air and
fuel for reliable ignition and flame stability

Flame Detection Rod

Integral flame detection for igniter; high temperature
extension with removable flame rod

Gas Nozzle Assembly

Stainless steel gas spud with multi-port tip, provides
a large stable flame for main fuel light-off.

Stationary Guide Tube

Stationary guide tube with stainless steel end mounts
easily into the burner

PAI Spark Probe

High temperature extension with removable
spark plug

Combustion/Cooling Air Inlet

Supplies combustion/cooling air to the igniter

Spark and Flame Rod Connections

Flexible conduit connections allow removal of the
flame and spark rods without electrical disconnects


  • Capacity:  1 to 35 million Btu/hr
  • Gas flow:  1,000 to 35,000 SCFH
  • Gas pressure:  5 to 25 psi
  • Combustion air: 85 to 250 SCFM @ 2 to 6 in. above furnace

Flame Detection – Sunspot

  • Input: 120 VAC, 1/8 amp
  • Output from two form C relay contacts:
    • 5 amp @ 30 or 120 VAC (resistive)
    • 3 amp @ 120 VAC (inductive)

Plasma Arc Ignition

  • Input: 120 VAC, 50/60 Hz, 100 VA
  • Output energy: 8 joules @ 3 arcs/sec