Genie limit switch for down direction on a Chain Glide system using magnetic limits.  The limit wire is moulded into the limit.  This limit is only for those Genie Chain Glide, Aladdin and Chainlift  systems which use magnetic limits.   This limit is for Chain Glide GCG350ML PCG500ML, PCG700ML, H2000C and 2020L openers using magnetic limits.     For the GCG350 Chain Glide, use limit 20113R.

NOTE: Mechanical limits for the GCG350L have been discontinued.