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Vaillant Flue Adaptor 63/96mm to 60/100mm – 303812

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SKU V-303812
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Original price £43.66
Original price £43.66 - Original price £43.66
Original price £43.66
Current price £34.92
£34.92 - £34.92
Current price £34.92

Free Local Shipping

Free Local Shipping on orders over £100. Standard delivery to most UK postcodes within 1-2 working days. Express options available at checkout for more information, see here

Contact Us

Give Us A Call +44 118 958 8882 Our team is here to help. We will provide expert advice on specifications, compatibility, and delivery options.

30-day Easy Return

30 days Easy Return — no questions asked. If you're not completely satisfied, send it back within 14 days for a full refund.

The Vaillant Flue Adaptor 303812 is a flue system component designed to connect compatible 63/96mm and 60/100mm flue configurations. It provides a transition between different concentric flue sizes, helping installers configure compatible Vaillant boiler flue systems according to the requirements of the installation.

Designed for use within compatible Vaillant heating applications, this flue adaptor can be useful when connecting specified flue components with different diameters. Selecting the correct adaptor is important for maintaining the intended flue arrangement and ensuring the boiler's flue system is installed in accordance with the manufacturer's requirements.

Before ordering the Vaillant 303812 flue adaptor, confirm compatibility with the exact boiler model and existing flue components. Installation should be carried out by a competent heating professional, following the manufacturer's instructions and applicable UK regulations.

63/96mm to 60/100mm Flue System Adaptor Vaillant Spare Part No. 303812

Key Features

1. Flue Diameter Conversion

Designed to provide a transition between compatible 63/96mm and 60/100mm flue components, as specified in the product information.

2. Vaillant System Compatibility

Intended for compatible Vaillant flue system configurations. Always verify the exact boiler model and flue arrangement before purchase.

3. Supports Flexible Installation

Helps installers connect specified flue components with different nominal diameters where the manufacturer's installation guidance permits.

4. Designed for Heating Applications

A flue accessory for compatible Vaillant heating installations requiring the specified diameter transition.

5. Manufacturer Part Identification

Part number 303812 helps installers and customers identify the required adaptor when checking replacement or installation requirements.

6. Installation Guidance

Use with compatible flue components and install according to Vaillant's instructions to maintain the specified flue configuration and safety requirements.

Technical Specifications

Brand Vaillant
Product Name Flue Adaptor 63/96mm to 60/100mm
Manufacturer Part Number 303812
Product Type Boiler Flue Adaptor
First Flue Size 63/96mm
Second Flue Size 60/100mm
Application Compatible Vaillant boiler flue systems
Material Not specified in the supplied product details
Connection Type Confirm with manufacturer documentation

Recommended Applications

  • Connecting compatible Vaillant flue components with the specified diameter transition.
  • Boiler installations requiring a compatible 63/96mm to 60/100mm flue adaptor.
  • Flue system modifications where the boiler manufacturer permits this adaptor.
  • Heating system maintenance and installation work requiring the specified Vaillant part.

Frequently Asked Questions

What is the Vaillant 303812 flue adaptor used for?

It is designed to connect compatible flue components with nominal diameters of 63/96mm and 60/100mm, subject to the manufacturer's compatibility requirements.

Will this adaptor fit any Vaillant boiler?

No. Compatibility depends on the boiler model and its approved flue configuration. Check the appliance documentation before ordering.

Does the adaptor include additional flue components?

The supplied product information does not specify any additional included components. Confirm the package contents with the supplier if required.

Can I install the flue adaptor myself?

Flue components should be installed by a competent heating professional in accordance with the boiler manufacturer's instructions and applicable UK regulations.

Order the Vaillant Flue Adaptor from GetPlumb

Shop the Vaillant 303812 flue adaptor for compatible boiler flue installations. Check the required flue diameters and boiler compatibility before ordering.

At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.

🆓 Free Local Delivery (Orders £100 & above)

We offer FREE delivery on orders £100 or more
for selected local areas.

Eligible Postcodes Include:

  • RG*
  • SL*
  • OX10*, OX11*, OX49*
  • HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
  • WD*, HA*, UB*, TW*, KT*
  • W1* – W9*
  • NW*, SW*

Delivery Time: 2–4 working days

Shipping Cost: £0.00

📦 Standard Shipping (Weight-Based Rates)

For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.

  • For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
  • For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
  • For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.

🧱 Block Salt (Harvey’s) – Unit-Based Shipping

This rate applies only to Harvey’s block salt products.

  • £7.99 is charged for every 3 items.
  • The charge increases by £7.99 for each additional set of 3 items.

Examples:

  • 1–3 items → £7.99
  • 4–6 items → £15.98
  • 7–9 items → £23.97

Delivery Time: 2–4 working days

📏 Large / Long Items (Length-Based Shipping)

For oversized items where the product length is 1.5 metres or more:

Conditions:

  • Product length ≥ 1.5 m
  • Cart weight ≤ 40 kg

Shipping Cost: £18.00 (flat rate)

Delivery Time: 2–4 working days

Collection from Store

Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.

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