Marley Engineered Products 410027000 Limit Switch ensuring a tight seal and

ensuring a tight seal and consistent torque throughout its service life

ensuring that field installations meet original manufacturing specifications without the risk of nuisance blowing often seen with generic alternatives

or soot tracing around the collector box

Common Questions & Technical Support: What is the maximum load for this transformer

Marley Engineered Products 410027000 Limit Switch ensuring a tight seal andAs 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