Moen UT35502 Wynford M-CORE 3-Series 1-Handle Shower Trim Kit Instruction Manual

Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Moen UT35502 Wynford M-CORE 3-Series 1-Handle Shower Trim Kit. The M-CORE valve system is designed for simplified installation and offers advanced functionality, including pressure-balancing and volume control. Please read this manual thoroughly before beginning installation or operation to ensure proper function and longevity of your product.

Important Safety Information

Professional Installation Recommended: Installation of plumbing fixtures may require specialized tools and knowledge. If you are unsure, consult a qualified plumber.
Water Supply: Ensure the main water supply is turned off before beginning any installation or maintenance to prevent water damage.
Required Valve: This trim kit requires a Moen M-CORE 3-Series Mixing Valve (sold separately) for complete installation and operation. Ensure you have the correct valve before proceeding.
Hot Water Safety: Always test water temperature before use to prevent scalding. The temperature limit stop included with the mixing valve cartridge can be adjusted to prevent excessively hot water.
Chemicals: Avoid using harsh chemicals or abrasive cleaners on the product finish, as this may cause damage and void the warranty.

Package Contents

Verify that all components are present before beginning installation. If any parts are missing or damaged, do not proceed with installation and contact Moen customer support.

Shower Trim Kit (Handle, Escutcheon, etc.)
Mixing Valve Cartridge (included with trim kit)
Temperature Limit Stop (included with trim kit)
Mounting Hardware

Note: The M-CORE 3-Series Mixing Valve is not included with this trim kit and must be purchased separately.

Setup and Installation

The Moen M-CORE system is designed for streamlined installation. This trim kit is installed onto a pre-existing or newly installed M-CORE 3-Series Mixing Valve.

1. Valve Installation (Valve Sold Separately)

Before installing the trim kit, ensure the M-CORE 3-Series Mixing Valve is correctly installed according to its specific instructions. The valve features an integrated mounting bracket for secure attachment to a brace.

Image: Moen M-CORE Mixing Valve. This valve is required for the trim kit and is sold separately.

M-CORE valves support various connection types. Refer to your mixing valve's manual for specific connection instructions.

Image: Various M-CORE valve connection types including CC/IPS, Cold Expansion Pex, Crimp Pex, CPVC (4 Port), and Pre-Fabricated Tub Drop.

2. Trim Kit Installation

Install Cartridge: Insert the mixing valve cartridge into the M-CORE valve body. Ensure it is seated correctly.
Install Temperature Limit Stop: Adjust and install the temperature limit stop onto the cartridge as per the instructions provided with the valve. This prevents the handle from turning to excessively hot temperatures.
Mount Escutcheon: Secure the escutcheon (cover plate) to the wall over the valve body using the provided screws.
Install Handle: Attach the handle to the cartridge stem and secure it.
Test: Turn on the main water supply and test the shower for proper operation and temperature control. Check for any leaks.

Image: The Moen Wynford M-CORE 3-Series 1-Handle Shower Trim Kit in Chrome, showing the handle and escutcheon.

Operating Instructions

Your Moen Wynford M-CORE 3-Series Shower Trim Kit features a single handle for controlling both water temperature and volume.

Temperature Control: Rotate the handle to adjust the water temperature. Typically, rotating counter-clockwise increases hot water, and clockwise increases cold water. The temperature limit stop prevents the handle from rotating past a safe maximum hot temperature.
Volume Control: Push the handle in or pull it out to adjust the water flow volume. Pushing in typically reduces flow, and pulling out increases it.
Pressure-Balancing: The M-CORE valve system includes pressure-balancing capabilities. This feature is designed to maintain a consistent water temperature, minimizing fluctuations even if water pressure changes elsewhere in your home (e.g., a toilet flushes).

Maintenance

Proper care and maintenance will ensure the longevity and appearance of your Moen shower trim kit.

Cleaning: Clean the chrome finish with a soft, damp cloth. For stubborn spots, use a mild soap and water solution, then rinse thoroughly and dry.
Avoid Harsh Cleaners: Do not use abrasive cleaners, scouring pads, ammonia-based cleaners, or any cleaners containing bleach, acids, or harsh chemicals. These can damage the finish and void your warranty.
Cartridge Replacement: Over time, the mixing valve cartridge may require replacement due to wear or mineral buildup. Refer to the M-CORE valve manual for specific cartridge replacement instructions.

Troubleshooting

Problem	Possible Cause	Solution
Low Water Flow	Partially closed stop valve on the M-CORE valve. Debris in the cartridge or showerhead. Low household water pressure.	Ensure stop valves on the M-CORE valve are fully open. Clean or replace the showerhead. Inspect and clean the cartridge if necessary (refer to valve manual). Consult a plumber to check household water pressure.
Inconsistent Water Temperature	Temperature limit stop set too low. Faulty mixing valve cartridge. Issues with hot water supply.	Adjust the temperature limit stop to allow for hotter water (refer to valve manual). Replace the mixing valve cartridge. Check hot water heater settings and supply.
Leaks from Handle or Escutcheon	Loose connections. Damaged O-rings or seals in the cartridge.	Ensure all trim kit components are securely tightened. Inspect and replace the mixing valve cartridge if O-rings or seals are damaged.

Specifications

Brand	Moen
Model Number	UT35502
Product Name	Wynford M-CORE 3-Series 1-Handle Shower Trim Kit
Color/Finish	Chrome
Material	Metal (Handle Material: Brass)
Number of Handles	1
Mounting Type	Wall Mount
Item Weight	1.94 kg
Included Components	Trim, Mixing Valve Cartridge, Temperature Limit Stop
Valve Required	M-CORE 3-Series Mixing Valve (Sold Separately)

Image: M-CORE valve comparison chart detailing connection types, number of ports, and included components for various mixing and transfer valves.

Warranty Information

This Moen product is covered by a Limited Lifetime Warranty. For specific details regarding coverage, terms, and conditions, please refer to the official warranty documentation provided with your product or visit the official Moen website.

Customer Support

If you have any questions, require assistance with installation, or need to troubleshoot issues not covered in this manual, please contact Moen customer support.

Online Support: Visit the official Moen website for FAQs, product registration, and further resources.
Telephone Support: Refer to the contact information provided in your product packaging or on the Moen website for telephone support hours.

When contacting support, please have your product model number (UT35502) and purchase information readily available.

Moen UT35502