Always verify shaft rotation (CCWLE/CWLE) before installation

Functionally identical to the White Rodgers 36G22-209 Gemini series

this unit operates within a precise range of 55 to 90 degrees F

Can the GSK-3 be used in series with other safety limits

the element should be "snaked" horizontally across the downstream side of the heating coil or upstream of the cooling coil

McDonnell & Miller 310488 Switch Assembly THPU32HP7Y Always verify shaft rotation (CCWLE/CWLE)The McDonnell & Miller 310488 is a field replaceable SWA 42S Snap Switch Assembly engineered specifically for Series 42S low water cut off and pump controllers. This single pole, single throw (SPST) mechanism provides precise automatic reset functionality, ensuring consistent boiler feed pump control and high limit safety across residential, commercial, and industrial steam applications. Built with a robust housing and high quality internal contacts,