Weil McLain 640-000-062 Kit-S Therm-Rely Bx Wall-Mount

Description

The Weil McLain 640-000-062 is a factory-engineered thermostat relay box kit designed for wall-mount installation in hydronic boiler systems. Built to Weil McLain’s exacting quality standards, this kit provides a clean, organized solution for integrating thermostat and relay wiring in residential and light commercial boiler applications.

Key Features

• OEM Weil McLain replacement kit for precise fit and function
• Wall-mount design for convenient, accessible installation
• Thermostat relay box configuration supports reliable boiler system control
• Engineered to maintain system integrity and simplify service calls
• Direct OEM replacement ensures compatibility with applicable Weil McLain boiler models

Application

This kit is intended for use with compatible Weil McLain boiler systems requiring a wall-mounted thermostat relay enclosure. It is ideal for HVAC technicians and hydronic heating professionals performing system installations, upgrades, or service repairs.

Why Choose OEM Parts?

Using genuine Weil McLain replacement components helps preserve system warranties, ensures proper operation, and reduces the risk of compatibility issues. The 640-000-062 kit delivers the same quality and reliability as the original factory-installed component.