Weil-mclain 623900123 2 Ft Right Hand 9 Cibb Sub Assembly

Product Description

The WEIL-MCLAIN 623900123 is an OEM sub assembly component designed for use in cast iron boiler block configurations. Specifically a 2-foot right-hand section 9 CIBB sub assembly, this part integrates directly into the boiler block structure to maintain proper sectional alignment and sealing. It is sourced directly from Weil-McLain and meets original equipment specifications. Licensed heating technicians and commercial boiler installers work with this component during new installations or block rebuilds where the right-hand orientation and 2-foot configuration are required.

This sub assembly is suited for applications involving Weil-McLain cast iron boiler block systems where section 9 right-hand configuration is specified. It is typically installed in commercial or residential hydronic heating systems during assembly or service of the boiler block. Technicians should verify the section count and orientation requirements of the specific boiler block before ordering to confirm fitment.

Key Features

• OEM Weil-McLain component meeting original factory specifications
• Right-hand orientation for section 9 CIBB block configuration
• 2-foot assembly length for correct block dimensional fit
• Designed for direct integration into cast iron boiler block assemblies

Compatibility

Designed as an OEM-style replacement sub assembly for Weil-McLain cast iron boiler block systems requiring a 2-foot right-hand section 9 CIBB configuration.

Installation Notes

Installation should be performed by a licensed heating technician or qualified boiler mechanic. The boiler system must be fully shut down, depressurized, and allowed to cool before any block assembly work begins. Follow applicable local mechanical codes and the manufacturer service documentation for proper block assembly sequence and gasket seating procedures. Do not reuse damaged section seals or attempt to modify the assembly orientation.