Viessmann 7875503 Plate Heat Exchanger 20 Plates & O-Rings | Replacement Spare Part
- SKU
- EDDVIESSMANNSPARE06
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The Plate Heat Exchanger 20 Plates & O-Rings 7875503 is a replacement boiler component designed to efficiently transfer heat between the primary heating circuit and domestic hot water supply in compatible boiler models. Supplied complete with O-rings for secure sealing and easier installation, this unit helps restore consistent hot water performance and heating efficiency.
Over time, plate heat exchangers can become blocked with debris, limescale, or sludge buildup, reducing heat transfer efficiency and causing issues such as fluctuating hot water temperatures, poor flow rates, or boiler lockouts. Replacing a worn or restricted exchanger with the 7875503 unit can significantly improve system performance and reliability.
Manufactured for precise compatibility and dependable operation, this 20-plate heat exchanger is designed to withstand the high pressures and temperatures found within modern heating systems. The included O-rings help ensure a secure, leak-free installation while reducing the need for additional parts during servicing or repair work.
Ideal for professional heating engineers and boiler maintenance applications, this replacement part offers a cost-effective solution for restoring efficient boiler operation and maintaining reliable domestic hot water delivery.
Features:
20-plate heat exchanger design for efficient heat transfer
Supplied complete with O-rings for secure sealing
Helps restore hot water performance and system efficiency
Reduces issues caused by blocked or scaled exchangers
Durable construction designed for high-temperature operation
Precision manufactured for reliable fitment and performance
Suitable for compatible domestic boiler systems
Ideal for servicing, maintenance, and boiler repairs
Helps maintain stable water temperatures and flow rates
Designed for long-lasting reliability and efficient operation
Viessmann provide a 1 year warranty on all 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.
| MPN | 7875503 |
|---|---|
| Product Code | EDDVIESSMANNSPARE06 |
| Compatible With: Product Code (SKU) | Viessmann Vitodens 100 WB1B & 100-W WB1C 30/35kW Combi (replaces 7828746) |
| Part Origin | Compatible |
| Part or Accessory? | Part |
| Brand | Viessmann |
| Full Weight (kG) | .5 |
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.
Viessmann 7875503 Plate Heat Exchanger 20 Plates & O-Rings | Replacement Spare Part
The Plate Heat Exchanger 20 Plates & O-Rings 7875503 is a replacement boiler component designed to efficiently transfer heat between the primary heating circuit and domestic hot water supply in compatible boiler models. Supplied complete with O-rings for secure sealing and easier installation, this unit helps restore consistent hot water performance and heating efficiency.
Over time, plate heat exchangers can become blocked with debris, limescale, or sludge buildup, reducing heat transfer efficiency and causing issues such as fluctuating hot water temperatures, poor flow rates, or boiler lockouts. Replacing a worn or restricted exchanger with the 7875503 unit can significantly improve system performance and reliability.
Manufactured for precise compatibility and dependable operation, this 20-plate heat exchanger is designed to withstand the high pressures and temperatures found within modern heating systems. The included O-rings help ensure a secure, leak-free installation while reducing the need for additional parts during servicing or repair work.
Ideal for professional heating engineers and boiler maintenance applications, this replacement part offers a cost-effective solution for restoring efficient boiler operation and maintaining reliable domestic hot water delivery.
Features:
20-plate heat exchanger design for efficient heat transfer
Supplied complete with O-rings for secure sealing
Helps restore hot water performance and system efficiency
Reduces issues caused by blocked or scaled exchangers
Durable construction designed for high-temperature operation
Precision manufactured for reliable fitment and performance
Suitable for compatible domestic boiler systems
Ideal for servicing, maintenance, and boiler repairs
Helps maintain stable water temperatures and flow rates
Designed for long-lasting reliability and efficient operation
Viessmann provide a 1 year warranty on all 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.
| MPN | 7875503 |
|---|---|
| Product Code | EDDVIESSMANNSPARE06 |
| Compatible With: Product Code (SKU) | Viessmann Vitodens 100 WB1B & 100-W WB1C 30/35kW Combi (replaces 7828746) |
| Part Origin | Compatible |
| Part or Accessory? | Part |
| Brand | Viessmann |
| Full Weight (kG) | .5 |
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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