Marley Engineered Products 4520-2059-000 Limit Switch It is designed to stay

It is designed to stay in the circuit continuously while the motor is energized to maintain the correct electrical phase shift

When should a burner gasket be replaced

immediately breaking the electrical circuit to the gas valve if temperatures exceed the safe operating threshold

For veteran technicians managing steam regulator maintenance

Can this be used on other brand dispensers

Marley Engineered Products 4520-2059-000 Limit Switch It is designed to stayThe Marley Engineered Products 4520 2059 000 is an OEM 160 230F AUTO Limit Switch designed for high accuracy temperature monitoring in HVAC heating systems. This heavy duty bimetal disc control serves as a critical safety component, engineered to automatically interrupt the circuit when internal temperatures exceed the 230F threshold and reset once conditions return to the 160F range. Frequently utilized in QMark and Berko heaters, this 4520 2059 000