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General| Material | Vitreous china |
|---|---|
| Bowl Shape | Elongated |
| Flush Volume | 1.28 gpf |
| ADA Compliant | Yes |
| WaterSense Certified | Yes |
| Product Name | Kohler K-557 |
| Flush Type | Gravity-fed |
| Rough-in | 12 inches |
| Seat Height | 16.5 inches |
| Color Options | White, Biscuit, Black |
| Installation Type | Floor-mounted |
| Trapway Size | 2-1/8 inches |
| Flushing Technology | AquaPiston |
Key safety warnings and precautions to follow before and during installation.
Important notices regarding installation requirements and best practices.
Technical specifications for system operating pressures.
Technical specifications for operating temperatures and stability.
Technical specifications for electrical rating and cable length.
Important precautions to observe before commencing rough-in installation.
Illustrates correct vertical and horizontal mounting options, avoiding specific orientations.
Guidance on planning component placement and piping connections for proper function.
Details on preparing the installation site, including cavity size and bracing.
Instructions for installing the required 120 V GFCI electrical outlet near the valve.
Step-by-step instructions for assembling adapters and unions with safety notes.
Detailed steps for installing the valve, including supply line connections and component routing.
Final steps for connecting interface cables and plugging in the power cord.
Procedure to test for leaks after installation, without connecting the user interface.
Steps to verify proper operation using the installed user interface.
Instructions for exercising the valve to ensure proper temperature control and function.
Step-by-step guide for cleaning the inlet screens to ensure proper water flow.
Overview of common symptoms, probable causes, and recommended actions for troubleshooting.
Troubleshooting steps for power, water flow, and component operation problems.
Addressing problems with temperature settings, flow control, and flow rate fluctuations.
Resolving blend temperature cycling, leaks, and hot water shut-down scenarios.
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