1. Introduction
This manual provides essential instructions for the proper use and installation of the Baxi Neodens Plus Eco/Neodens Lite Boiler Mounting Template and Fittings (Model 140040434). This kit is designed to facilitate the correct and efficient installation of compatible Baxi boilers by providing a precise mounting template and necessary connection components.
2. Safety Information
Important: Read all instructions carefully before installation. Failure to follow these instructions could result in property damage, personal injury, or death.
- Installation must be performed by a qualified and certified professional in accordance with all local and national codes and regulations.
- Ensure all power and water supplies to the boiler system are turned off before commencing installation.
- Wear appropriate personal protective equipment (PPE), including gloves and eye protection.
- Handle all components with care to prevent damage.
- Do not modify any components of this kit. Use only genuine Baxi parts.
3. Package Contents
Verify that all components listed below are present and undamaged before beginning installation:
- Mounting template for Neodens Plus Eco/Neodens Lite boilers
- Faucets for radiator inlet and return
- Sanitary cold water inlet key
- Copper pipes for welding

Image 1: Overview of the Baxi Neodens Plus Eco/Neodens Lite Mounting Template and Fittings kit. The image displays various brass and copper components, including valves with black handles, curved copper pipes, and threaded connectors, all designed for boiler installation.
4. Setup and Installation
This kit provides the necessary components for the hydraulic connections of the Baxi Neodens Plus Eco or Neodens Lite boiler. The mounting template ensures accurate positioning of the boiler and its connections.
- Prepare the Installation Area: Ensure the wall is structurally sound and capable of supporting the boiler and its associated components. Clear the area of any obstructions.
- Position the Mounting Template: Use the provided mounting template to mark the precise drilling points for the boiler's wall bracket and connection points. Ensure the template is level and correctly aligned according to the boiler's installation manual.
- Install Wall Bracket: Secure the boiler's wall bracket using appropriate fasteners at the marked locations.
- Connect Radiator Faucets: Install the provided faucets for the radiator inlet and return lines. These typically connect to the heating circuit. Ensure all connections are sealed properly to prevent leaks.
- Install Sanitary Cold Water Inlet Key: Connect the sanitary cold water inlet key to the appropriate cold water supply line. This key allows for isolation of the cold water supply to the boiler.
- Weld Copper Pipes: Utilize the copper pipes for welding to establish the necessary connections between the boiler and the plumbing system. Welding should be performed by a qualified professional using appropriate techniques and safety measures.
- Mount the Boiler: Once the template and initial fittings are in place, carefully mount the Baxi Neodens Plus Eco or Neodens Lite boiler onto its wall bracket, aligning it with the installed fittings.
- Final Connections: Complete all remaining hydraulic and gas connections as per the specific boiler installation manual.
- Leak Test: After all connections are made, perform a thorough leak test on the entire system before pressurizing or operating the boiler.
5. Operating Considerations
This product is a set of installation components and does not have operational functions in itself. Its purpose is to facilitate the correct and secure installation of a Baxi Neodens Plus Eco or Neodens Lite boiler. Refer to the specific boiler's instruction manual for operational procedures, settings, and user guidance.
6. Maintenance
The components of this mounting template and fittings kit are designed for long-term durability. Regular maintenance is primarily focused on the overall boiler system.
- Periodic Inspection: During routine boiler servicing, have a qualified technician inspect all connections made with these fittings for any signs of corrosion, leaks, or wear.
- Cleaning: Keep the exterior of the fittings clean and free from dust or debris. Do not use abrasive cleaners.
- Leak Detection: Promptly address any detected leaks in the system.
7. Troubleshooting
Issues related to this mounting template and fittings kit typically arise during or shortly after installation.
- Leaks at Connections:
- Ensure all threaded connections are properly tightened and sealed with appropriate sealing compounds (e.g., PTFE tape or pipe sealant).
- Verify that all O-rings or gaskets are correctly seated and undamaged.
- If welding was performed, check for pinhole leaks in the welded joints.
- Incorrect Boiler Alignment:
- Re-check the initial marking and drilling using the mounting template.
- Ensure the wall bracket is level and securely fastened.
- Damaged Components:
- If any component is found to be damaged upon inspection, do not use it. Contact Baxi support for a replacement.
For complex issues, always consult a qualified heating engineer.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Baxi |
| Model Number | 140040434 |
| Compatible Boilers | Baxi Neodens Plus Eco, Baxi Neodens Lite |
| Material | Copper, Brass |
| Product Dimensions | 5.24"L x 4.72"W |
| Item Weight | 2.82 pounds (1.28 Kilograms) |
| Included Components | Faucets for Inlet and Return of Heater, Inlet Key for Sanitary Cold Water, Copper Pipes for Welding |
9. Warranty and Support
For warranty information and technical support regarding the Baxi Neodens Plus Eco/Neodens Lite Mounting Template and Fittings, please refer to the documentation provided with your Baxi boiler or contact Baxi customer service directly. Keep your proof of purchase for warranty claims.
Baxi Contact Information: Please visit the official Baxi website for the most current contact details and support resources in your region.





