Description
The Laars Heating Systems R10364300 is a genuine OEM replacement return header designed for use with Laars cast iron boiler systems. Featuring glass-lined construction, this cast iron return header provides exceptional corrosion resistance and long-term durability in demanding hydronic heating applications.
Product Overview
This return header is a critical component in Laars cast iron boiler assemblies, directing the flow of return water back through the boiler sections. The glass lining protects the cast iron substrate from the corrosive effects of water and scale buildup, extending the service life of the component and maintaining system efficiency over time.
Key Features
- Genuine Laars OEM replacement part — ensures proper fit and function
- Cast iron construction for strength and thermal durability
- Glass-lined interior for superior corrosion and scale resistance
- Designed for use in Laars cast iron boiler systems
- Maintains original system performance and reliability
- Direct replacement for worn or damaged return headers
Application
- Compatible with Laars cast iron sectional boiler systems utilizing glass-lined headers
- Suitable for residential and light commercial hydronic heating systems
- Ideal for service and maintenance replacement of original equipment headers
Why Choose OEM Laars Parts?
Using genuine Laars replacement components ensures compatibility with your existing boiler assembly, preserves manufacturer warranty coverage where applicable, and eliminates the risk of improper fit or premature failure associated with aftermarket alternatives. The R10364300 return header is engineered to Laars’ exacting standards for hydronic heating reliability.







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