Weil McLain 510-312-019 Limit Control w/Well

Description

The Weil McLain 510-312-019 is an OEM replacement Limit Control with Well, engineered specifically for use with Weil McLain boilers. This precision safety device monitors boiler water temperature and automatically shuts down the burner if temperatures exceed the set limit, protecting the system from overheating and potential damage.

Key Features

• OEM Weil McLain replacement part — ensures proper fit and function
• Includes immersion well for accurate water temperature sensing
• Automatic high-limit shutoff protects boiler from overtemperature conditions
• Designed for reliable, long-term performance in hydronic heating systems
• Direct drop-in replacement for compatible Weil McLain boiler models

Application

This limit control is a critical safety component in hydronic hot water boiler systems. The included well allows for direct immersion into the boiler water, providing accurate and responsive temperature monitoring. When water temperature reaches the preset limit, the control interrupts the burner circuit to prevent overheating, ensuring safe and efficient boiler operation.

Why Choose OEM Weil McLain Parts?

Using genuine Weil McLain replacement parts like the 510-312-019 ensures compatibility, maintains system warranty integrity, and delivers the performance standards your boiler was designed to meet. Ideal for HVAC technicians and contractors servicing residential and light commercial Weil McLain boiler installations.