Weil McLain 633-500-137 Thermowell

Description

The Weil McLain 633-500-137 Thermowell is a genuine OEM replacement component engineered specifically for Weil McLain boiler systems. Thermowells serve a critical role in hydronic heating applications by providing a protective housing for temperature sensors and aquastats, allowing accurate fluid temperature measurement without direct sensor contact with the boiler water. This design protects sensitive sensing elements from pressure, corrosion, and flow velocity while enabling sensor removal or replacement without draining the system.

Key Features

• Genuine Weil McLain OEM replacement part (SKU: 633-500-137)
• Designed for use with Weil McLain boiler systems
• Protects temperature sensors from direct fluid contact
• Allows sensor servicing without system drain-down
• Ensures accurate and reliable temperature measurement
• Durable construction suited for hydronic heating environments

Application

This thermowell is intended for use in residential and light commercial hydronic heating systems utilizing Weil McLain boilers. It is compatible with standard immersion-type temperature sensors and aquastats used in boiler control and monitoring applications.

Why Choose OEM Parts?

Using genuine Weil McLain replacement parts ensures proper fit, reliable performance, and maintains the integrity of your heating system. Always verify compatibility with your specific boiler model before installation.