Fuel Line Replacement Kit, 400 & 450 Series - FLE-421-852-FRU

The Fuel Line Replacement Kit is a direct replacement part designed to replace worn or damaged hard fuel lines in compatible Aqua-Hot 400 and 450 Series hydronic heating systems. It provides replacement supply and return tubing, helping maintain reliable diesel fuel delivery and proper return flow during burner operation.

Important Information

• Supply and Return Fuel Lines – Includes the rigid fuel supply and return tube assemblies for compatible heating systems.
• Banjo Pipes Not Included – The burner’s fuel supply and return banjo pipes are separate components and must be reused if serviceable or purchased separately.

• Genuine OEM Replacement – Supplied by Aqua-Hot and designed for proper fit and compatibility in Aqua-Hot 400 and 450 Series hydronic heating systems.

WARNING: PROFESSIONAL INSTALLATION RECOMMENDED

Compatible Models

Aqua-Hot

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