White-Rodgers 3L03-190 Limit Switch Common Questions & Technical Support

Common Questions & Technical Support How many diaphragms are required for a standard rebuild

if it turns clockwise to move air toward you

The Watts 0881425 Gasket Kit is a field-ready solution specifically engineered for 1/2 inch GB-A series dielectric unions

the Nordyne 626499R Limit Switch is the direct OEM replacement you need to get the furnace back in sequence

White-Rodgers 3L03-190 Limit Switch Common Questions & Technical SupportWhen you're out in the field and need a reliable SPDT snap disc limit switch, the White Rodgers 3L03 190 is the industrial standard for HVAC temperature regulation and safety. This 3 4" bimetal disc control is engineered for precision, featuring fixed temperature settings that provide high speed contact separation for critical systems. Operating as a Single Pole Double Throw (SPDT) switch, it enables versatile circuit logiccommon for fan speed