The Sloan ROYAL 143-1.28-RB-WB-8-3/4-LDIM is a manual 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.
Sloan ROYAL 143 concealed manual flushometer available in multiple flush volumes with CID technology and ADA-compliant handle. Built for commercial installs.
Options on this configuration: 8-3/4" L Dimension (LDIM); Wall Box Version (WB). Sloan model number: ROYAL 143-1.28-RB-WB-8-3/4-LDIM.
Features
- 1.28 gpf, Rough Brass Finish, Fixture Connection Rear Spud, Single Flush, 8.75" L Dimension, Standard size (WB-1-A wall box not included- order separately) Wall Box
- 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. A standard wall box is required but not included -- order it separately.
- 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: Manual
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Country of Origin: USA
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MPN: ROYAL 143-1.28-RB-WB-8-3/4-LDIM
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Certifications: ADA, Buy American Act, IAPMO, WaterSense, 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): 8-3/4"
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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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Wall Box Type: Standard (Order Separately)
