Vaillant 0020010294 Ecotec Non Return Valve | Genuine Replacement Spare Part
- SKU
- EDDVAILLANTSPARES57
Our Expert's Opinion
"Prevents reverse flow through the filling loop in compatible Vaillant boilers, safeguarding system integrity and avoiding unwanted back pressure."Vaillant 0020010294 Ecotec Non Return Valve
The Vaillant 0020010294 Non-Return Valve is a genuine replacement part designed specifically for the Vaillant ecoTEC Plus, ecoTEC Exclusive, VUW/VUI, and other compatible models. It functions as a high-integrity one-way check valve installed in the boiler’s filling loop or inlet control assembly, allowing water to enter the system during a fill operation while preventing any return flow back into the supply once the fill harness is closed. This ensures compliance with safety standards concerning water ingress and prevents contamination or back-flow risks. Manufactured to precise tolerances by Vaillant, the 0020010294 valve comes supplied with two O-rings and a securing clip, making it ready for direct installation and ensuring a tight, reliable seal. The brass body is engineered to handle boiler circuit pressures and thermal cycling, and the internal mechanism is optimized to provide smooth flow in one direction while locking out in the reverse direction, preventing leaks or operational faults. This non-return valve is compatible with a wide range of boiler models — including ecoTEC Plus 376/ 824/ 825/ 831/ 837/ 838/ 937/ 938 and ecoTEC Exclusive 832/838, as well as associated VUW/VUI variants. It is critical when servicing the fill loop or inlet control group, particularly during maintenance tasks when the filling circuit is opened or replaced. If the valve is missing, damaged or stuck, the boiler may fail to hold system pressure, risk contamination of the incoming feed, or generate fault codes related to pressure instability.
Vaillant provide a 1 year warranty on all genuine spare parts. Electrical Deals Direct now sells a wide range of spare parts. If you cannot see the item you require on our website, please call 01934 253600 or email [email protected] for more information.
This is a genuine Vaillant spare part supplied directly from the manufacturer. We ensure full compatibility, reliable performance and the highest quality standards.
| MPN | 20010294 |
|---|---|
| Product Code | EDDVAILLANTSPARES57 |
| Compatible With: Product Code (SKU) | ecoTEC Plus 824/825/831/832/835/837/937/938 |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Vaillant |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
Vaillant 0020010294 Ecotec Non Return Valve
The Vaillant 0020010294 Non-Return Valve is a genuine replacement part designed specifically for the Vaillant ecoTEC Plus, ecoTEC Exclusive, VUW/VUI, and other compatible models. It functions as a high-integrity one-way check valve installed in the boiler’s filling loop or inlet control assembly, allowing water to enter the system during a fill operation while preventing any return flow back into the supply once the fill harness is closed. This ensures compliance with safety standards concerning water ingress and prevents contamination or back-flow risks. Manufactured to precise tolerances by Vaillant, the 0020010294 valve comes supplied with two O-rings and a securing clip, making it ready for direct installation and ensuring a tight, reliable seal. The brass body is engineered to handle boiler circuit pressures and thermal cycling, and the internal mechanism is optimized to provide smooth flow in one direction while locking out in the reverse direction, preventing leaks or operational faults. This non-return valve is compatible with a wide range of boiler models — including ecoTEC Plus 376/ 824/ 825/ 831/ 837/ 838/ 937/ 938 and ecoTEC Exclusive 832/838, as well as associated VUW/VUI variants. It is critical when servicing the fill loop or inlet control group, particularly during maintenance tasks when the filling circuit is opened or replaced. If the valve is missing, damaged or stuck, the boiler may fail to hold system pressure, risk contamination of the incoming feed, or generate fault codes related to pressure instability.
Vaillant provide a 1 year warranty on all genuine spare parts. Electrical Deals Direct now sells a wide range of spare parts. If you cannot see the item you require on our website, please call 01934 253600 or email [email protected] for more information.
This is a genuine Vaillant spare part supplied directly from the manufacturer. We ensure full compatibility, reliable performance and the highest quality standards.
| MPN | 20010294 |
|---|---|
| Product Code | EDDVAILLANTSPARES57 |
| Compatible With: Product Code (SKU) | ecoTEC Plus 824/825/831/832/835/837/937/938 |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Vaillant |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
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