Weil McLain 511-624-511 Differential Pressure Switch SPDT 0.90″ w.c.

Description

Weil McLain 511-624-511 Differential Pressure Switch

The Weil McLain 511-624-511 is a genuine OEM differential pressure switch designed for use in Weil McLain boiler systems. Featuring a Single-Pole Double-Throw (SPDT) switching configuration and a 0.90″ w.c. (inches water column) differential pressure setpoint, this switch monitors pressure conditions within the system and triggers the appropriate circuit response when the setpoint threshold is reached. Using factory-authorized replacement parts like the 511-624-511 helps maintain system reliability, safety, and warranty compliance.

Key Features

• Genuine Weil McLain OEM replacement differential pressure switch
• SPDT (Single-Pole Double-Throw) switching action for versatile circuit control
• 0.90″ w.c. (inches water column) differential pressure setpoint
• Designed for precise pressure monitoring in Weil McLain boiler applications
• Direct OEM replacement ensures proper fit and function
• Helps maintain system safety and operational integrity

Application

This differential pressure switch is engineered as a direct OEM replacement for compatible Weil McLain boiler models. It is used to sense differential pressure across a component — such as a heat exchanger or air handler — and opens or closes control circuits at the rated setpoint to protect the system and ensure safe operation.

Why Choose OEM Parts?

OEM components from Weil McLain are manufactured to exact specifications, ensuring reliable performance, proper calibration, and compatibility with your existing system. Substituting non-OEM parts can compromise system safety and void manufacturer warranties.