Vaillant Diverter Valve 252457
Vaillant

Vaillant Diverter Valve 252457

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£24.96 (inc £29.95)

Vaillant Turbo Max Plus Diverter Valve (252457)

The Vaillant Diverter Valve (Part No: 252457) is a critical hydraulic component used in combi boilers to manage the flow of primary heated water. It acts as a directional switch, channeling hot water either to the central heating circuit (radiators) or to the domestic hot water circuit (via the secondary heat exchanger). This genuine replacement part is essential for ensuring that hot water is delivered instantly to taps when required, without bleeding heat into the radiators during summer use or failing to provide hot water during the winter.

  • Dual-Circuit Switching: Ensures precise transition between heating and hot water modes based on system demand.

  • High-Durability Seals: Engineered to resist internal leaks and "by-passing," which can lead to lukewarm water or warm radiators when only hot water is requested.

  • Robust Construction: Manufactured to withstand the constant mechanical movement and high-pressure environment of Vaillant’s hydraulic blocks.

  • OEM Reliability: Designed specifically for the TurboMax and EcoMax ranges to ensure perfect alignment with existing pipework and actuators.

Compatible Models:

  • VAILLANT AQUAPLUS VUI

  • VAILLANT ECOMAX 824/2 E-C

  • VAILLANT ECOMAX 828/2E

  • VAILLANT ECOMAX 835E

  • VAILLANT ECOTEC EXCLUSIVE 832

  • VAILLANT ECOTEC EXCLUSIVE 838

  • VAILLANT TURBOMAX PLUS 824E

  • VAILLANT TURBOMAX PLUS 828E

  • VAILLANT TURBOMAX PLUS 836E

  • VAILLANT TURBOMAX PLUS 837E

  • VAILLANT TURBOMAX PRO 24E

  • VAILLANT TURBOMAX PRO 28E

  • VAILLANT VUI 362-7

  • VAILLANT VUI 362-7 R3

  • VAILLANT VUW 242/2-3 R1

  • VAILLANT VUW 242/2-3 R2

  • VAILLANT VUW 242/2-3 R3

  • VAILLANT VUW 242/2-5 R1

  • VAILLANT VUW 242/2-5 R2

  • VAILLANT VUW 242/2-5 R3

  • VAILLANT VUW 242-3

  • VAILLANT VUW 242-5

  • VAILLANT VUW 246/2-C

  • VAILLANT VUW 282/2

  • VAILLANT VUW 282

  • VAILLANT VUW 326

  • VAILLANT VUW 356

  • VAILLANT VUW 362

  • VAILLANT VUW 386

  • Vaillant Aqua Plus VUI 362-7 2002-2005 — 47-044-29

  • Vaillant Aqua Plus VUI 362-7 R3 2005-2008 — 47-044-29 (306592)

  • Vaillant Ecomax 824/2E VUW 246/2-C 2001-2007 — 47-044-12

  • Vaillant Ecomax 828/2E VUW 286/2-C 2001-2007 — 47-044-17

  • Vaillant Ecomax 835E VUW 356-C 2002-2008 — 47-044-27

  • Vaillant Ecotec Exclusive 832 VUW 32/4 2007-2016 — 47-044-37

  • Vaillant Ecotec Exclusive 838 VUW 386/4 2007-2016 — 47-044-38

  • Vaillant Turbomax Plus 824E VUW 242/2-5 2001-2002 — 47-044-04-2001-2002

  • Vaillant Turbomax Plus 824E VUW 242/2-5 R1 2002-2003 — 47-044-04-R1

  • Vaillant Turbomax Plus 824E VUW 242/2-5 R2 2003-2004 — 47-044-04-R2

  • Vaillant Turbomax Plus 824E VUW 242/2-5 R3 2004-2008 — 47-044-04-R3

  • Vaillant Turbomax Plus 828E VUW 282/2-5 2001-2002 — 47-044-09-2001-2002

  • Vaillant Turbomax Plus 828E VUW 282/2-5 R1 2002-2003 — 47-044-09-R1

  • Vaillant Turbomax Plus 828E VUW 282/2-5 R2 2003-2004 — 47-044-09-R2

  • Vaillant Turbomax Plus 828E VUW 282/2-5 R3 2004-2008 — 47-044-09-R3

  • Vaillant Turbomax Plus 837E VUW 362/2-5 2002-2004 — 47-044-28

  • Vaillant Turbomax Plus 837E VUW 362/2-5 R3 2004-2008 — 47-044-28 R3

  • Vaillant Turbomax Pro 24E VUW 242/2-3 2001-2002 — 47-044-10-2001-2002

  • Vaillant Turbomax Pro 24E VUW 242/2-3 R1 2002-2003 — 47-044-10-R1

  • Vaillant Turbomax Pro 24E VUW 242/2-3 R2 2003-2004 — 47-044-10-R2

  • Vaillant Turbomax Pro 24E VUW 242/2-3 R3 2004-2008 — 47-044-10-R3

  • Vaillant Turbomax Pro 28E VUW 282/2-3 2001-2002 — 47-044-11-2001-2002

  • Vaillant Turbomax Pro 28E VUW 282/2-3 R1 2002-2003 — 47-044-11-R1

  • Vaillant Turbomax Pro 28E VUW 282/2-3 R2 2003-2004 — 47-044-11-R2

  • Vaillant Turbomax Pro 28E VUW 282/2-3 R3 2004-2008 — 47-044-11-R3

Vaillant Turbo Max Plus Diverter Valve (252457)

The Vaillant Diverter Valve (Part No: 252457) is a critical hydraulic component used in combi boilers to manage the flow of primary heated water. It acts as a directional switch, channeling hot water either to the central heating circuit (radiators) or to the domestic hot water circuit (via the secondary heat exchanger). This genuine replacement part is essential for ensuring that hot water is delivered instantly to taps when required, without bleeding heat into the radiators during summer use or failing to provide hot water during the winter.

  • Dual-Circuit Switching: Ensures precise transition between heating and hot water modes based on system demand.

  • High-Durability Seals: Engineered to resist internal leaks and "by-passing," which can lead to lukewarm water or warm radiators when only hot water is requested.

  • Robust Construction: Manufactured to withstand the constant mechanical movement and high-pressure environment of Vaillant’s hydraulic blocks.

  • OEM Reliability: Designed specifically for the TurboMax and EcoMax ranges to ensure perfect alignment with existing pipework and actuators.

Compatible Models:

  • VAILLANT AQUAPLUS VUI

  • VAILLANT ECOMAX 824/2 E-C

  • VAILLANT ECOMAX 828/2E

  • VAILLANT ECOMAX 835E

  • VAILLANT ECOTEC EXCLUSIVE 832

  • VAILLANT ECOTEC EXCLUSIVE 838

  • VAILLANT TURBOMAX PLUS 824E

  • VAILLANT TURBOMAX PLUS 828E

  • VAILLANT TURBOMAX PLUS 836E

  • VAILLANT TURBOMAX PLUS 837E

  • VAILLANT TURBOMAX PRO 24E

  • VAILLANT TURBOMAX PRO 28E

  • VAILLANT VUI 362-7

  • VAILLANT VUI 362-7 R3

  • VAILLANT VUW 242/2-3 R1

  • VAILLANT VUW 242/2-3 R2

  • VAILLANT VUW 242/2-3 R3

  • VAILLANT VUW 242/2-5 R1

  • VAILLANT VUW 242/2-5 R2

  • VAILLANT VUW 242/2-5 R3

  • VAILLANT VUW 242-3

  • VAILLANT VUW 242-5

  • VAILLANT VUW 246/2-C

  • VAILLANT VUW 282/2

  • VAILLANT VUW 282

  • VAILLANT VUW 326

  • VAILLANT VUW 356

  • VAILLANT VUW 362

  • VAILLANT VUW 386

  • Vaillant Aqua Plus VUI 362-7 2002-2005 — 47-044-29

  • Vaillant Aqua Plus VUI 362-7 R3 2005-2008 — 47-044-29 (306592)

  • Vaillant Ecomax 824/2E VUW 246/2-C 2001-2007 — 47-044-12

  • Vaillant Ecomax 828/2E VUW 286/2-C 2001-2007 — 47-044-17

  • Vaillant Ecomax 835E VUW 356-C 2002-2008 — 47-044-27

  • Vaillant Ecotec Exclusive 832 VUW 32/4 2007-2016 — 47-044-37

  • Vaillant Ecotec Exclusive 838 VUW 386/4 2007-2016 — 47-044-38

  • Vaillant Turbomax Plus 824E VUW 242/2-5 2001-2002 — 47-044-04-2001-2002

  • Vaillant Turbomax Plus 824E VUW 242/2-5 R1 2002-2003 — 47-044-04-R1

  • Vaillant Turbomax Plus 824E VUW 242/2-5 R2 2003-2004 — 47-044-04-R2

  • Vaillant Turbomax Plus 824E VUW 242/2-5 R3 2004-2008 — 47-044-04-R3

  • Vaillant Turbomax Plus 828E VUW 282/2-5 2001-2002 — 47-044-09-2001-2002

  • Vaillant Turbomax Plus 828E VUW 282/2-5 R1 2002-2003 — 47-044-09-R1

  • Vaillant Turbomax Plus 828E VUW 282/2-5 R2 2003-2004 — 47-044-09-R2

  • Vaillant Turbomax Plus 828E VUW 282/2-5 R3 2004-2008 — 47-044-09-R3

  • Vaillant Turbomax Plus 837E VUW 362/2-5 2002-2004 — 47-044-28

  • Vaillant Turbomax Plus 837E VUW 362/2-5 R3 2004-2008 — 47-044-28 R3

  • Vaillant Turbomax Pro 24E VUW 242/2-3 2001-2002 — 47-044-10-2001-2002

  • Vaillant Turbomax Pro 24E VUW 242/2-3 R1 2002-2003 — 47-044-10-R1

  • Vaillant Turbomax Pro 24E VUW 242/2-3 R2 2003-2004 — 47-044-10-R2

  • Vaillant Turbomax Pro 24E VUW 242/2-3 R3 2004-2008 — 47-044-10-R3

  • Vaillant Turbomax Pro 28E VUW 282/2-3 2001-2002 — 47-044-11-2001-2002

  • Vaillant Turbomax Pro 28E VUW 282/2-3 R1 2002-2003 — 47-044-11-R1

  • Vaillant Turbomax Pro 28E VUW 282/2-3 R2 2003-2004 — 47-044-11-R2

  • Vaillant Turbomax Pro 28E VUW 282/2-3 R3 2004-2008 — 47-044-11-R3

We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.This may result in some fee cuts.

The shipping fee for the returned products is our customers responsibility. Also, the shipping fee for the first shipment will be calculated and taken from the buyer. This value comes from the shipping value it cost to send your initial order.

To start a return, you can contact us at support@aspares.co.uk If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at support@aspares.co.uk


Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.


Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalised items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.


Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.