The Sloan ROYAL 152 ES SM-ESM-1.28-RB-24V is a sensor-operated diaphragm-type flush valve for a water closet. It delivers 1.28 gallons per flush, with a rear spud connection at a concealed body. It features a semi-red brass body and a permex synthetic rubber diaphragm seat.
Flush volumes from 1.28 gpf with CID technology for precise water efficiency. ADA-compliant handle prevents excess flushing. Vandal-resistant design for commercial durability.
Options on this configuration: 2"-10-3/4" L Dimension (LDIM); 24V Power (24V). Sloan model number: ROYAL 152 ES SM-ESM-1.28-RB-24V.
Features
- 1.28 gpf, Rough Brass Finish, Fixture Connection Rear Spud, Single Flush, 2"-10.75" L Dimension, Solenoid-Operated with Modular Plug, 24V
- Flush volumes start as low as 1.28 gpf/4.8 Lpf
- Water conservation is aided by the ADA-compliant, non-hold-open handle, which prevents toilet from exceeding intended flush volume
- Flush accuracy is controlled by CID™ technology, also enhancing water efficiency
- Integrity of the product is maintained with the vandal-resistant stop cap
- Durability is facilitated with high copper, low zinc brass castings for dezincification resistance
- Adjustable tailpiece
- PERMEX® Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass
- Valve body, Cover, Tailpiece and Control Stop shall be in compliance with ASTM Alloy Classification for Semi-Red Brass
- Valve shall be in compliance to the applicable sections of ASSE 1037
Common Questions
- What fixture and flush volume is this valve for?
- Per Sloan's own spec, it serves a water closet, 1.28 gallons per flush, a rear spud connection.
- Is this exposed or concealed, and does it need a wall box?
- Concealed -- the body sits behind the wall, with only the cover or trim visible.
- Is this ADA, WaterSense, or ASSE 1037 listed?
- Yes -- Sloan lists it as ADA, WaterSense and ASSE-1037.
Specifications
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Type: Flushometer
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Inlet Size: 1"
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Outlet Size: 1-1/2"
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Body Material: Semi-Red Brass
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Diaphragm Material: PERMEX Synthetic Rubber Diaphragm
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Operation: Sensor
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MPN: ROYAL 152 ES SM-ESM-1.28-RB-24V
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Certifications: ADA, Buy American Act, IAPMO, WaterSense, UL, ASSE-1037
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Fixture Served: Water Closet
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Body Style: Concealed
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Spud Connection: Rear Spud
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Rough-In (in): 14.5"
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L Dimension (in): 2"-10-3/4"
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Volume per Flush (gal): 1.28
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Dual Flush: No
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Finish: Unfinished (Rough Brass)
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Vandal Resistant: Yes
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Min Operating Pressure (PSI): 15
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Max Operating Pressure (PSI): 80
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Power Supply Detail: 24V
