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Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. Q • 8/14
Figure 3.1 IPI Pilot Flame Patterns
Firebox
Frequency:
Annually
By:
Service Technician
Tools needed:
Protective gloves, sandpaper, steel wool,
cloths, mineral spirits, primer and touch-up paint.
• Inspect for paint condition, warped surfaces, corrosion
or perforation. Sand and repaint as necessary.
• Replace appliance if firebox has been perforated.
Surface cracking or crazing of firebrick material is normal
and expected. All cracks are acceptable and do not require
replacement of the unit or the firebox with the exception of:
• Cracks compromising the surface plane of the firebox.
See Figure 3.2.
Figure 3.2. Surface plane of firebox is comprised and should be
replaced.
