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Royal ESS TMO Sensor Flushometer 1.28 GPF for Closet



Part Number: #83402
Sloan Model Number: ROYAL 111 ESS-1.28-TMO
Sloan Code Number: 3450055
Manufacturer: Sloan

1-1/2" Vacuum Breaker 1" Stop

1.28 GPF exposed, sensor activated diaphragm type, chrome plated closet Flushometer for either left or right hand supply and vitreous china wall hung water closet with the following features:

Flushometer and OPTIMA® ES-S TMO Unit:
• PERMEX® Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass
• OPTIMA® EL-1500-L Self-Adaptive Infrared Sensor with Indicator Light
• “Walk By” Delay of Eight (8) Seconds Prevents Unintentional Flushes
• User friendly three (3) second Flush Delay
• Courtesy Flush® True Mechanical Override Button
• Non-Hold-Open Integral Solenoid Operator
• Chrome Plated Wall Cover Plate and Die Cast Wall Flange (for 2-gang Electrical Box) with Vandal Resistant Screws
• High Back Pressure Vacuum Breaker Flush Connection with One-Piece Bottom Hex Coupling Nut, Spud Coupling and Flange for 1-1/2” Top Spud
• High Copper, Low Zinc Brass Castings for Dezincification Resistance
• Non-Hold-Open Integral Solenoid Operator,Fixed Metering Bypass and No External Volume Adjustment to Ensure Water Conservation
• Flush Accuracy Controlled by CID™ Technology
• Diaphragm, Stop Seat and Vacuum Breaker to be molded from PERMEX® Rubber Compound for Chloramine Resistance
• Valve Body, Cover, Tailpiece and Control Stop shall be in conformance with ASTM Alloy Classification for Semi-Red Brass. Valve shall be in compliance with the applicable sections of ASSE 1037.

• Wall hung vitreous china elongated bowl
• Siphon jet flushing action
• 1-1/2" I.P.S. top spud inlet
• 2-1/8" fully glazed trapway diameter
• Integral flushing rim
• Water spot area 9-1/2" x 8-1/4"
• 24 volt system
• Mounting hardware, carrier and toilet seat not included
• Compatible with toilet seat models: Bemis 1955CT, Bemis 2155CT
• Water closet shall be in compliance to the applicable sections of ASME A112.19.2/CSA B45.1
• Compliant with the Buy American Act when purchased as a combination

• View Sloan 3450055 Spec Sheet 


Do you have the tools needed to install your new flush valve? View our Flushometer Tool Guide and discover which tools you need.