WBL600HSNNN-AN Walchem Boiler Controller
WCT600PSNNN-BN Walchem W600 Cooling Tower Controller
Walchem's [ WCT-600P-SN-N-N-BN ] W600 Cooling Tower Controller with [ 6 Powered - Prewired USA ] relays/wiring, [ One sensor ] input cards, [ No 4-20mA ] analog outputs, [ No Ethernet ] connection, and [ Panel mounted graphite contacting conductivity and flow switch manifold ] sensors. Xref Model Number [ WCT600PSNNN-BN ]
LMI DC4500-111A-1 Bleed/Feed/Biocide Timer Tower Controller, 115 VAC
LMI Liquitron Conductivity Controller Microprocessor-Based, Cooling Tower conductivity controller with dual biocide, adjustable lockout timer, prebleed, four  programmable inhibitor feed options, and 4-20 mA (non-isolated) recorder output. 0- 20,000 uS /cm control range. 115 VAC, 50/60 Hz USA Plug. 6 ft. (2m) grounded power cord and plug, and four  1 ft. (30 cm) output power cords with grounded recepticles for controlled devices. Three (3) Pump Output Power Cables (115VAC recepticles). Cooling Tower Carbon Probe and 3/4" Fslip Sch 80 PVC Tee with 10 ft (3m) Cable Assembly.
Seametrics FT440P Loop Powered, Dual Scaled Pulse Output and 4-20 mA Output, Panel Mount
Myron L TP1 Temperature TECHPRO II Digital Meter, Conductivity, TDS
LMI DP5000-1B-1 pH Pulse Output Controller with 4 to 20 mA Output 115/230 VAC
LMI pH Controller with Acid & Caustic Feed and 4-20mA Output The LIQUITRON™ DP5000 Series is a dual channel pH Controller providing either relay or proportional pulse outputs to drive chemical metering pumps. A custom backlit display provides constant information regarding controller conditions with convenient easy to use navigation. High and low alarm points, delay and limit timers, and other programmable features make the DP5000 the most adaptive pH controller available.