THP4803 Cartridge⁚ Identification and Specifications
The THP4803 is identified as a cartridge. It’s a crucial component in TOTO TSMA volume control valves.
Manufactured from brass, the THP4803 features a 20-point broach and two cartridge holes. Its origin is currently unknown.
Part Number and Description
The THP4803 is a critical cartridge component within TOTO’s TSMA volume control valve systems. This part number designates a specific, replaceable element vital for the proper functioning of the valve. Accurate identification of the THP4803 is crucial for ordering replacement parts and ensuring compatibility with the existing TOTO plumbing infrastructure. Misidentification could lead to installation issues or even damage to the valve. Therefore, verifying the part number before purchasing or attempting repairs is paramount. The THP4803 cartridge’s primary function is to regulate water flow and pressure within the valve, contributing to precise temperature and volume control in shower and faucet systems. Understanding its role is essential for effective troubleshooting and maintenance. Referencing parts manuals and diagrams, such as PD-00703, can further aid in proper identification and understanding of this critical component’s place within the overall system.
Material and Manufacturing Details
The TOTO THP4803 cartridge is constructed from high-quality brass, a material chosen for its durability, resistance to corrosion, and ability to withstand the pressures and temperatures associated with plumbing systems. The brass alloy employed likely offers specific properties optimized for long-term performance and reliability within the valve. Manufacturing specifications for the THP4803 include precise machining to ensure a tight fit and prevent leaks. The cartridge’s design incorporates a 20-point broach, a feature indicating a high level of precision in its creation. Furthermore, the presence of two cartridge holes suggests a specific configuration designed to interact with other components within the valve assembly. The country of origin for the THP4803 is not explicitly stated in readily available documentation, highlighting the need for further investigation if this information is critical. Understanding these manufacturing details is essential for assessing the cartridge’s quality and longevity.
THP4803 in TOTO Systems
The THP4803 cartridge is a vital part of TOTO’s TSMA volume control valves, ensuring precise water flow regulation. Its reliable operation is crucial for shower functionality.
Application in TSMA Volume Control Valves
The THP4803 cartridge serves as the core flow control mechanism within TOTO’s TSMA volume control valves. These valves are commonly found in various TOTO shower and faucet systems, regulating the water volume precisely. The cartridge’s internal design allows for smooth and reliable adjustment of water flow, providing users with comfortable and consistent water pressure. A properly functioning THP4803 cartridge is essential for optimal performance and longevity of the entire valve assembly. Failure of this component can lead to inconsistent water flow, leaks, or complete valve malfunction. Regular inspection and timely replacement are recommended to maintain the system’s efficiency and prevent costly repairs. Understanding the THP4803’s role in the TSMA valve is critical for effective troubleshooting and maintenance.
Replacement and Repair Procedures
Replacing a THP4803 cartridge typically requires the use of appropriate sockets, specifically 17mm and 25mm, as indicated in various parts manuals (like PD-00703). Before beginning, turn off the water supply to prevent leaks and water damage. Carefully remove the existing cartridge, noting its orientation for correct reinstallation; Clean the valve body thoroughly to remove any debris or mineral deposits that may interfere with the new cartridge’s function. Insert the new THP4803 cartridge, ensuring proper alignment. Tighten securely using the appropriate sockets, but avoid over-tightening, which could damage the valve. Turn the water supply back on and check for leaks. If a leak persists, re-inspect the installation process. Refer to the relevant TOTO parts manual for detailed diagrams and instructions specific to your model. Consult a qualified plumber if you are unsure about any step of the replacement process.
Related Parts and Repair Kits
The THP4804 nut secures the THP4803 cartridge within the valve body, ensuring a watertight seal.
Major and Minor Repair Kits (THP4805, THP4806)
THP4805 (major) and THP4806 (minor) repair kits offer various replacement parts for comprehensive valve maintenance.
THP4804 Nut and its Function
The THP4804 nut plays a vital role in the proper functioning of the TOTO TSMA volume control valve system, working in conjunction with the THP4803 cartridge. Its primary function is to secure the cartridge firmly in place within the valve body. This ensures a leak-proof seal, preventing water from escaping around the cartridge and causing damage or water waste. The precise fit of the THP4804 nut is crucial for maintaining the valve’s operational integrity and preventing premature wear. Improper installation or a damaged nut can lead to leaks, reduced water pressure, or complete valve failure. Therefore, using the correct THP4804 nut during assembly or repair is essential for optimal performance and longevity of the TOTO system. Always refer to the official TOTO parts manual (PD-00703) for detailed instructions and torque specifications to ensure correct installation. Replacing a damaged or worn THP4804 nut is a straightforward process but requires careful attention to detail to avoid damaging other components. Remember to use appropriate tools (like a 17mm or 25mm socket, depending on the specific nut design) to prevent stripping the nut.
Major and Minor Repair Kits (THP4805, THP4806)
TOTO offers two repair kits designed to address various issues within the TSMA volume control valve system⁚ the THP4805 Major Repair Kit and the THP4806 Minor Repair Kit. The THP4805 is a comprehensive kit containing parts 1 through 8, providing a complete overhaul for extensive repairs or replacements. This kit addresses a wider range of potential problems, ensuring a thorough restoration of the valve’s functionality. In contrast, the THP4806 Minor Repair Kit includes parts 1, 3, 4, 6, and 8, targeting more common or less extensive repairs. This kit proves economical for addressing specific problems without the need for a full component replacement. Both kits are referenced in the parts manual PD-00701 v.03, which provides detailed diagrams and instructions for their proper installation. Choosing the appropriate kit depends on the specific issues encountered with the valve, ensuring efficient and cost-effective maintenance. Always consult the parts manual to accurately determine the necessary repair components before purchasing either kit to avoid unnecessary expenses or delays.
Accessing THP4803 Manuals and Documentation
Finding comprehensive documentation for the THP4803 may require contacting TOTO directly or authorized parts suppliers. Online resources may offer limited information.
Online Resources and Part Suppliers
While a dedicated online manual for the THP4803 might be elusive, several avenues can potentially yield information. Websites specializing in TOTO parts or plumbing supplies may have diagrams or specifications within their product listings. Searching online forums or communities dedicated to plumbing and home repair could unearth user experiences or troubleshooting tips related to the THP4803. Directly contacting TOTO customer support is also advisable; they may offer access to technical documentation or direct you to authorized distributors holding relevant manuals. Remember to always verify the authenticity and reliability of any information sourced from online forums or unofficial websites.
Parts Manuals and Diagrams (PD-00703)
The document referenced as PD-00703, version 02 (dated 11/12), appears to be a crucial parts manual containing information relevant to the THP4803 cartridge. This manual likely provides detailed diagrams illustrating the THP4803’s placement within the TOTO system, along with exploded views showing its individual components and their relationships to other parts. The manual likely includes part numbers for related components, simplifying ordering replacement parts for repairs or maintenance. Finding a copy of PD-00703 might require contacting TOTO directly or searching through online retailers selling TOTO parts. Its availability may vary depending on the region and the ongoing distribution of this particular parts manual.
Troubleshooting and Maintenance
Consult the PD-00703 manual for troubleshooting. Common issues may include leaks or insufficient water flow. Solutions often involve part replacement.
Recommended Tools and Equipment (Sockets)
For maintenance, 17mm and 25mm sockets are commonly required, based on available information.
Common Issues and Solutions
The THP4803 cartridge, a vital part of TOTO’s TSMA volume control valves, can experience several common problems. Low water pressure is a frequent complaint, often stemming from mineral buildup or internal wear within the cartridge itself. A persistent drip or leak after the valve is turned off usually indicates a worn-out seal or a damaged O-ring within the cartridge mechanism. In some cases, the cartridge may become completely seized, preventing smooth operation of the valve. Addressing low water pressure often involves thorough cleaning or replacement of the THP4803. Persistent dripping requires careful inspection for damaged seals or O-rings, and these components should be replaced as necessary. A seized cartridge usually necessitates complete replacement to restore proper valve function. Remember to always consult the relevant parts manual (such as PD-00703) for detailed diagrams and instructions before attempting any repairs or replacements. Improper handling can lead to further damage and increased repair costs.
Recommended Tools and Equipment (Sockets)
Successfully replacing or servicing the THP4803 cartridge often requires specialized tools. The most crucial are appropriately sized sockets for the removal and installation of the cartridge and its associated nut (THP4804). Based on available information, a 17mm socket is needed for one component, and a 25mm socket is required for another. Having both readily available will streamline the process significantly. Beyond sockets, a selection of screwdrivers (Phillips and flathead) may also be necessary, depending on the specific configuration of your TOTO valve. Additionally, a set of adjustable pliers can prove invaluable for gripping and manipulating small parts. Always remember to prioritize safety. Use gloves to protect your hands from sharp edges and wear safety glasses to shield your eyes from potential debris. Before commencing any work, refer to the relevant parts manual (like PD-00703) for precise tool requirements and to minimize the risk of damage to your plumbing system.