Key Benefits Fail-Open Security: The normally open configuration ensures fluid flow continues even during power interruptions

61-26190-02

it features a standard 48Y frame and a 1/2-inch diameter by 3-inch long shaft

The isolated coil on this model means there is no internal connection between the coil circuit and the mounting bracket

The internal SW1 switch allows you to toggle between heating or cooling modes

McDonnell & Miller FS5-D-3/4 Switch 30067439-890 Key Benefits Fail-Open Security: The3 4" NPT In Line General Purpose Flow Switch with Two Snap Acting SPDT Switch (Part Number 114763) FS5 D 3 4 is the direct replacement for FS5 3 4 (EXTRA SWITCH)