Check the listing for details. GEMS, 67A1C0A, Conductivity Based Liquid Level Control, sbwh-nnn-dr-bb.. Condition: Used. Listed at 400.00 USD. GEMS, 67A1C0A, Conductivity Based Liquid Level Control, sbwh-nnn-dr-bb. Series 67 Conductivity Based Liquid Level Control is an ideal solution for liquid level problems in hazardous locations for the sewage, waste water, chemical and groundwater pump/solenoid valve control; automatic or manual alternation; high and/or low-level alarms with silence/acknowledge capabilities. -Inverse or Direct Acting; Field Selectable -Solid State Reliability -Compact Size -Four Independent Channels - 2 Single; 2 Differential -Field Adjustable -LED Channel Indicators -Built-in Silence/Acknowledge Circuit Compare/MSRP Price- $1239.80 USD ea Our Price - $400.00 USD ea Available:5 Condition: Product is USED Please see pics for product and label details ----------------------------------------------- -Shipping (fast shipping to US and Canada Most items are shipped from the US or Canada within 1 - 3 business days unless otherwise specified. - Guarantee 30 day money back guarantee ----------------------------------------------- Thanks for stopping by, your business is greatly appreciated :) Please be sure to check out our other listings for more quality items at awesome prices.