Plumbing / Toilet Flushers
Sloan 152-1.6-RB-WB-11-3/4-LDIM-L3 Concealed Manual Water Closet Flushometer Specification Sheet
Technical specifications and rough-in dimensions for the Sloan 152-1.6-RB-WB-11-3/4-LDIM-L3 concealed manual water closet flushometer. Includes operating pressure, flush volume, and installation requirements.
Table of contents
Manual images
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This document provides technical specifications and rough-in dimensions for the Sloan 152-1.6-RB-WB-11-3/4-LDIM-L3 concealed manual water closet flushometer. It is intended for planning and installation reference. Please note that the required WB-1-A wall box is not included with this unit and must be ordered separately.
Product description
The Sloan 152-1.6-RB-WB-11-3/4-LDIM-L3 is a concealed manual water closet flushometer designed for efficiency and durability. It features a rough brass finish and utilizes a diaphragm valve with CID technology for flush accuracy.
Technical specifications
- Flush Volume: 1.6 gpf (6.0 lpf)
- Valve Type: Diaphragm
- Valve Body Material: Semi-red Brass
- Fixture Connection: Rear Spud
- Supply Pipe: 1 inch (25mm)
- Spud Coupling: 1.5 inches (38mm)
- Push Button: 3-inch Metal Oscillating (L3)
- Finish: Rough Brass (RB)
Operating requirements
To ensure proper operation, the system must meet the following criteria:
- Operating Pressure (Flowing): 15-80 psi (103-552 kPa). Specific fixtures may require higher minimum flowing pressure; consult manufacturer requirements.
- Compliance: Valve body, cover, tailpiece, and control stop comply with ASTM Alloy Classification for Semi-Red Brass and ASSE 1037 standards.
Rough-in dimensions
The installation requires specific clearance and positioning:
- Rough-in Dimension: 24 inches (610mm)
- L Dimension: 11.75 inches (298mm)
- Wall Box: Standard size (WB-1-A) required for installation (sold separately).
Practical help
Common problems
Insufficient flushing performance
Ensure the water supply pressure is within the required 15-80 psi (103-552 kPa) flowing pressure range.
Missing installation components
The WB-1-A wall box is not included with the flushometer and must be ordered separately.
Before use
- Verify that the water supply pressure is between 15-80 psi (103-552 kPa).
- Ensure the supply pipe diameter is 1 inch (25mm).
- Confirm the availability of the WB-1-A wall box for installation.
- Check that the fixture is a compatible water closet with a rear spud connection.
Specs in practice
- Flush Volume (1.6 gpf)
- The amount of water used per flush cycle (6.0 liters per flush).
- Rough-in Dimension (24 inches)
- The required vertical distance from the supply pipe to the fixture centerline.
- Valve Type (Diaphragm)
- The internal mechanism used to control the water flow and flush cycle.
Images and diagrams
- The rough-in drawing illustrates the required vertical distance (24 inches) from the supply pipe to the fixture centerline.
- The diagram shows the necessary wall openings for the supply pipe and the flushometer connection.
Model compatibility
- Compatible with water closets requiring a rear spud connection.
- Requires WB-1-A wall box (not included).
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.