Weil McLain 383-900-090 Threaded Insert M8 x M4

Description

Weil McLain 383-900-090 Threaded Insert M8 x M4 Overview

The Weil McLain 383-900-090 is a genuine OEM threaded insert designed for use in Weil McLain boiler and hydronic heating systems. Featuring an M8 external thread and M4 internal thread, this precision-engineered fastener ensures a secure, vibration-resistant connection within boiler assemblies and related components. Using authentic Weil McLain replacement hardware helps maintain system integrity, ensures proper fit, and supports long-term reliability.

Key Features

• Genuine Weil McLain OEM replacement part
• M8 external thread / M4 internal thread configuration
• Designed for secure, durable fastening in boiler and hydronic assemblies
• Precision-machined for accurate fit and consistent performance
• Helps maintain original equipment specifications and system reliability

Application

• Compatible with select Weil McLain boiler and hydronic heating systems
• Ideal for service, maintenance, and repair applications
• Suitable for use by qualified HVAC and hydronic heating technicians

Specifications

• SKU: 383-900-090
• Brand: Weil McLain
• Type: Threaded Insert
• Thread Size: M8 (external) x M4 (internal)