Marley Engineered Products 4520-2059-000 Limit Switch immediately breaking the electrical circuit

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

is the critical seal required for McDonnell & Miller 47 Series

direct-fit installation across various packaged units and air handlers

the maximum working pressure is often limited by the specific tubing or connected components used in the assembly

Can this be used on other brand dispensers

Marley Engineered Products 4520-2059-000 Limit Switch immediately breaking the electrical circuitThe 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