York S1-031-09157-000 Control Board 30067439-890 This L270-20F limit switch functions
Baker’s notes & crumb story
Description
York S1 031 09157 000 Control Board 30067439 890 This L270 20F limit switch functions This L270 20F limit switch functions as a normally closed safety device that opens the electrical circuit when internal plenum temperatures exceed the 270 featuring standardized terminal identifies for streamlined field installation