Omega LVN-40 and LVN-50 Series is a single station level switch suitable for use in medical and water purification. It is resistant to chemicals and can withstand temperatures of up to 300° F. The LVN-40 has a 1/8" NPT mounting, while the LVN-50 has a 1/4" NPT mounting. Both models have a 20 AWG, 24" PVC lead wire and a specific gravity of 0.72 for the LVN-40 and 0.70 for the LVN-50. The LVN-40 and LVN-50 are both sealed to meet NEMA VI standards and have a switch actuation of approximately 1/2 the distance from the end of the stem to the mounting point.