Control, liquid level, multi level, stainless steel construction, 1" NPT, SPST/20 VA, common return, measured from bottom of mounting plug, L1 = 11.25" NO, L2 = 9.25" NC, L3 = 7.25" NC, OAL 12.38", 316 stainless steel stem/mounting and float material, DC Micro, style QD, male connector, 4 pin, S.S. collars.