Marley Engineered Products 410027000 Limit Switch it indicates an underlying airflow

it indicates an underlying airflow issue or combustion problem that must be diagnosed by a technician

this specific switch is calibrated for M7 models

providing the structural integrity required for pressurized environments and rigorous field conditions

provided they do not exceed the rated capacity of the contacts

Is this the correct relay for an intermittent blower motor issue

Marley Engineered Products 410027000 Limit Switch it indicates an underlying airflowAs a field technician, you know that the safety of a heating system hinges on reliable high limit controls. The Marley Engineered Products 410027000 Limit Switch is a critical OEM replacement hi limit switch designed for QMark and Berko unit heaters. This L275 50F automatic reset limit switch features a T O D Therm O Disc bimetal mechanism that triggers at 275F and restores the circuit once the environment cools to 225F. With its distinctive blue and