Part No. M-1476-14 – AMS 1476B Aircraft Toilet System Cleaner – Aviation Lavatory Descaler (Case of 4 × 1 Gallons)

AMS 1476 Aircraft Toilet Systems Cleaner – Aviation Lavatory & Vacuum System Cleaning Solution

Designed for critical aircraft lavatory maintenance operations, M-1476 is a high-performance aircraft toilet systems cleaner concentrate formulated in accordance with AMS 1476B for use in vacuum and recirculating toilet systems.

This advanced aircraft lavatory cleaning solution is engineered to remove hard water scale, stains, residues, and buildup from toilet systems and lavatory components while maintaining full compatibility with sensitive aircraft materials. Its low-foam, biodegradable formulation ensures effective cleaning without disrupting system performance.

Suitable for use in:

• Aircraft vacuum toilet systems
• Recirculating lavatory systems
• Commercial and military aircraft
• MRO and line maintenance operations

🔧 Applications

Suitable for use on:

• Toilet bowls, valves, and shrouds
• Flush rings and internal system components
• Lavatory sinks and countertops
• Stainless steel and ceramic surfaces
• Plastic, painted, and composite materials
• Rubber seals and system components

Ideal for:

• Aircraft toilet system descaling
• Airplane lavatory cleaning and maintenance
• Odor control and sanitation programs
• Routine and heavy-duty lavatory cleaning

⚙️ Performance & Compatibility

• Conforms to AMS 1476B aviation cleaning standard
• Effectively removes:
  • Hard water scale
  • Stains and buildup
  • Residues from lavatory systems
• Low-foam formulation – ideal for vacuum system compatibility
• Thickened formula for better cling on vertical surfaces
• Safe for in-place cleaning (no removal required)
• Compatible with:
  • Stainless steel
  • Plastics
  • Ceramics
  • Painted surfaces
  • Rubber seals

Provides effective cleaning while maintaining system performance and material integrity.

🧪 Directions for Use

• Descaling (heavy duty):
  • Dilute 1:1 and apply directly into toilet system
• General cleaning:
  • Dilute 1:2 and apply to surfaces
• Apply using spray bottle, sponge, or cloth
• Allow dwell time based on soil level
• Agitate if needed and rinse thoroughly with water

For in-place system cleaning:

• Apply directly into toilet bowl
• Flush to circulate through system
• Rinse with clean water after dwell time

📦 Packaging & Supply

Available sizes:

• M-1476-1 – 1 Gallon
• M-1476-14 – Case of 4 × 1 Gallon
• M-1476-5 – 5 Gallon

✔ Concentrated formula for flexible dilution
✔ Low-foam for system compatibility
✔ Made in USA – MERYT

Harmonized Code (Schedule B): 3402.90
ECCN: EAR99