The Sloan ROYAL 143 ESS-1.6-RB-31-3/4-LDIM-HW-24V is a sensor-operated diaphragm-type flush valve for a water closet. It delivers 1.6 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.
Conserve water with precision using the ROYAL 143 ESS flushometer. Low 1.6 gpf flush volumes and CID technology ensure optimal efficiency. Suitable for commercial settings.
Options on this configuration: 31-3/4" L Dimension (LDIM); 24V Power (24V); Hardwired (HW). Sloan model number: ROYAL 143 ESS-1.6-RB-31-3/4-LDIM-HW-24V.
Features
- 1.6 gpf, Rough Brass Finish, Fixture Connection Rear Spud, Single Flush, 31.75" L Dimension, Electrical Override, Hardwired, Sensor-Operated, 24V
- Flush volumes start as low as 1.6 gpf/6.0 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, 1.6 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.
- How is it powered, and what happens in a power outage?
- Hardwired -- no battery to replace, but an electrician must run power to it.
- Is this ADA, WaterSense, or ASSE 1037 listed?
- Yes -- Sloan lists it as ADA 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 143 ESS-1.6-RB-31-3/4-LDIM-HW-24V
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Certifications: ADA, Buy American Act, IAPMO, 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): 31-3/4"
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Volume per Flush (gal): 1.6
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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 Source: Hardwired AC
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Power Supply Detail: 24V
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Override Type: Electrical Override
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Sensing Range (in): 22"-42"
