Description

Baxi Boiler 20 Plate Heat Exchanger 7223558 

The Baxi 20 Plate Heat Exchanger 7223558 transfers heat efficiently between the primary and secondary water circuits in your boiler. This Baxi 20 plate heat exchanger restores strong hot water performance and improves heating efficiency. Part number 7223558 ensures correct fitment across compatible Baxi models. We supply this unit in both brand new and refurbished condition, so you can choose the option that suits your budget and servicing needs.

Compatible Boilers :

Baxi Combi Instant Series

• Combi Instant 105 E (GC No. 47-075-09)

Baxi Duo Tec HE Series

• Duo Tec 24 HE (GC No. 47-075-23)

• Duo Tec 24 HE A After Serial No. BTG0815 Issue 9 (GC No. 47-075-35)

• Duo Tec 24 HE A Before Serial No. BTG0815 Issue 9 (GC No. 47-075-35)

• Duo Tec 28 HE (GC No. 47-075-25)

• Duo Tec 28 HE A After Serial No. CAC0929 Issue 9 (GC No. 47-075-36)

• Duo Tec 28 HE A Before Serial No. CAC0929 Issue 9 (GC No. 47-075-36)

• Duo Tec 33 HE (GC No. 47-075-24)

• Duo Tec 33 HE A After Serial No. BTH1112 Issue 9 (GC No. 47-075-37)

• Duo Tec 33 HE A Before Serial No. BTH1112 Issue 8 (GC No. 47-075-37)

• Duo Tec 40 HE (GC No. 47-075-26)

• Duo Tec 40 HE A Issue 8 (GC No. 47-075-38)

Baxi Duo Tec Combi ErP Series

• Duo Tec 24 Combi ErP Serial No Ending AC Issue 3 (GC No. 47-075-96)

• Duo Tec 24 Combi ErP Serial No Ending BC Issue 2 (GC No. 47-075-96)

• Duo Tec 24 Combi ErP Serial No Ending CC (GC No. 47-075-96)

• Duo Tec 28 Combi ErP Serial No Ending AC Issue 3 (GC No. 47-075-97)

• Duo Tec 28 Combi ErP Serial No Ending BC Issue 3 (GC No. 47-075-97)

• Duo Tec 28 Combi ErP Serial No Ending CC (GC No. 47-075-97)

• Duo Tec 33 Combi ErP Serial No Ending AC Issue 3 (GC No. 47-075-99)

• Duo Tec 33 Combi ErP Serial No Ending BC Issue 2 (GC No. 47-075-99)

• Duo Tec 33 Combi ErP Serial No Ending CC (GC No. 47-075-99)

• Duo Tec 40 Combi ErP Serial No Ending AC Issue 3 (GC No. 47-077-03)

• Duo Tec 40 Combi ErP Serial No Ending BC Issue 2 (GC No. 47-077-03)

• Duo Tec 40 Combi ErP Serial No Ending CC (GC No. 47-077-03)

Baxi Platinum Combi HE Series

• Platinum Combi 24 HE (GC No. 47-075-27)

• Platinum Combi 24 HE A After Serial No. BMY0815 Issue 6 (GC No. 47-075-31)

• Platinum Combi 24 HE A Before Serial No. BMY0815 Issue 6 (GC No. 47-075-31)

• Platinum Combi 28 HE (GC No. 47-075-28)

• Platinum Combi 28 HE A After Serial No. BNC0932 Issue 7 (GC No. 47-075-32)

• Platinum Combi 28 HE A Before Serial No. BNC0932 Issue 7 (GC No. 47-075-32)

• Platinum Combi 33 HE A After Serial No. BNE1112 Issue 5 (GC No. 47-075-33)

• Platinum Combi 33 HE A Before Serial No. BNE1112 Issue 6 (GC No. 47-075-33)

• Platinum Combi 40 HE A Issue 4 (GC No. 47-075-34)

Baxi Combi ErP Series

• 24 Combi ErP Serial No Ending CC (GC No. 47-077-04)

• 24 Combi ErP Serial No Ending DC (GC No. 47-077-04)

• 24 Combi ErP Serial No Ending IN AC Issue 2 (GC No. 47-077-04)

• 24 Combi ErP Serial No Ending IN BC Issue 2 (GC No. 47-077-04)

• 28 Combi ErP Serial No Ending CC (GC No. 47-077-05)

• 28 Combi ErP Serial No Ending DC (GC No. 47-077-05)

• 28 Combi ErP Serial No Ending IN AC Issue 2 (GC No. 47-077-05)

• 28 Combi ErP Serial No Ending IN BC Issue 2 (GC No. 47-077-05)

• 33 Combi ErP Serial No Ending CC (GC No. 47-077-06)

• 33 Combi ErP Serial No Ending DC (GC No. 47-077-06)

• 33 Combi ErP Serial No Ending IN AC Issue 2 (GC No. 47-077-06)

• 33 Combi ErP Serial No Ending IN BC Issue 2 (GC No. 47-077-06)

• 40 Combi ErP Serial No Ending CC (GC No. 47-077-07)

• 40 Combi ErP Serial No Ending DC (GC No. 47-077-07)

• 40 Combi ErP Serial No Ending IN AC Issue 2 (GC No. 47-077-07)

• 40 Combi ErP Serial No Ending IN BC Issue 2 (GC No. 47-077-07)

If you’re looking for a Baxi Duo-Tec 33 HE DHW 20 Plate Heat Exchanger 5114708 or any other different Baxi Plate Heat Exchanger, follow the link provided.

Why Choose This Product?

This Baxi Boiler 20 Plate Heat Exchanger improves hot water efficiency and ensures stable heat transfer during demand. Moreover, it helps prevent temperature fluctuations and poor water flow caused by internal blockages. The refurbished option offers a cost-effective and environmentally responsible choice, while the brand new option delivers maximum service life. Therefore, either option restores strong hot water performance and supports smooth boiler operation.

Delivery and Return

Orders placed before 1 PM are dispatched the same working day, so you receive your part without delay. Additionally, you can select standard or next-day delivery at checkout. Returns are accepted within 30 days if the item remains unused and in its original condition. For safety and correct installation, always use a Gas Safe registered engineer.

FAQs

1: What does the Baxi 7223558 DHW Plate Heat Exchanger do?

The Baxi 7223558 DHW Plate Heat Exchanger transfers heat from the central heating circuit to the domestic hot water supply, ensuring your boiler delivers consistent hot water efficiently.

2: Which boiler models are compatible with this heat exchanger?

This part fits a wide range of boilers, including Baxi Duo Tec, Platinum, Combi, Potterton Gold, Promax, Main Eco Elite, and Titanium series. Always confirm your part number before ordering.

3: How can I tell if my plate heat exchanger needs replacing?

Signs include fluctuating hot water temperatures, reduced water flow, or lukewarm water. Limescale buildup or internal blockage can also cause heating inefficiency.

4: What is the difference between the refurbished and brand new version?

The brand new version is factory-produced, while the refurbished version is professionally cleaned, tested, and restored to full working condition — offering the same performance at a lower cost.

5: Is installation of the Baxi 7223558 DHW Plate Heat Exchanger difficult?

Installation should be performed by a Gas Safe registered engineer. The process is straightforward for professionals, ensuring the boiler operates safely and efficiently afterward.