Control, liquid level, multi-level, stainless steel construction, 1" NPT, SPST/20VA, common return, measured from bottom of mounting plug, L1 = 10.5" NO, L2 = 7.5" NC, L3 = 4.5" NC, OAL 11.5", 316 stainless steel stem/mounting and float material, DC Micro, style QD, male connector, 4 pin, S.S. collars.