Description

Baxi 720790001 Plate Heat Exchanger (14 Plates) – 24kW, 28kW, 33kW Boilers

The Baxi 720790001 Plate Heat Exchanger (14 Plates) is an component designed for 24kW, 28kW, and 33kW combi boilers. This part plays a vital role in efficiently transferring heat between heating and domestic hot water systems.

It is compatible with several Baxi, Potterton, and Main boiler models and has direct replacements in current and ERP-rated boiler series.

This heat exchanger ensures top performance and energy efficiency in your heating system. Supplied as a part, it’s ideal for servicing or replacing a faulty original.

✅ Compatible Boiler Models & GC Numbers:

🔧 Baxi Boilers:

• 24 Combi – GC No: 47-075-67

• 28 Combi – GC No: 47-075-68

• Duo Tec 2 24 GA – GC No: 47-075-54

• Duo Tec 2 28 GA – GC No: 47-075-55

• Ecoblue Advance Combi 24 – GC No: 47-075-87

• Ecoblue Advance Combi 28 – GC No: 47-075-88

• Ecoblue Advance Combi 33 – GC No: 47-075-89

• Advance Combi 24 ERP – GC No: 47-077-14

• Advance Combi 28 ERP – GC No: 47-077-15

• Advance Combi 33 ERP – GC No: 47-077-16

• Platinum 2 Combi 28 GA – GC No: 47-075-61

• Platinum 2 Combi 33 GA – GC No: 47-075-62

• Platinum 2 Combi 40 GA – GC No: 47-075-63

🔧 Potterton Boilers:

• Promax Ultra 24 Combi ERP (AC) – GC No: 47-393-54 AC

• Promax Ultra 24 Combi ERP (BC & CC) – GC No: 47-393-54 BC

• Promax Ultra 24 Combi ERP (DC) – GC No: 47-393-54 DC

• Promax Ultra 28 Combi ERP (AC) – GC No: 47-393-55 AC

• Promax Ultra 28 Combi ERP (BC & CC) – GC No: 47-393-55 BC

• Promax Ultra 28 Combi ERP (DC) – GC No: 47-393-55 DC

Prices: Must be remembered all prices are inclusive of VAT.

Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above

BAXI BOILER SPARES

Meanwhile, if you are looking for any Baxi-related products please click the link: Baxi spares

Also, for Diverter valves for Baxi please click the link: Baxi Diverter Valves

You can also check our whole range of PCBs for Baxi please click the link: Baxi PCBs

Here is also the list of Pumps for Baxi please click the link: Baxi Pumps

In case you are looking for Fans for Baxi please click the link: Baxi Fans

MAIN BOILER SPARES

Also, if you are looking for any Main’s-related products please click the link: Main’s spares

Also, for Diverter valves for Potterton please click the link: Main’s Diverter Valves

You can also check our whole range of PCBs for Main’s please click the link: Main’s PCBs

Here is also the list of Pumps for Potterton please click the link: Main’s Pumps

In case you are looking for Fans for Potterton please click the link: Main’s Fans

POTTERTON BOILER SPARES

For Potterton spares, if you are looking for any Potterton-related products please click the link: Potterton spares

Also, for Diverter valves for Potterton please click the link: Potterton Valves

You can also check our whole range of PCBs for Potterton please click the link: Potterton PCBs

Here is also the list of Pumps for Potterton please click the link: Potterton Pumps

In case you are looking for Fans for Potterton please click the link: Potterton Fans

At Heating and catering parts,

We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy

We appreciate you buying  from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package. Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.

In a word thank you for choosing us!

FAQs

1. What does the Baxi 720790001 Plate Heat Exchanger do?

The plate heat exchanger transfers heat between the boiler’s primary heating water and domestic hot water system. It helps maintain efficient heating and ensures consistent hot water delivery throughout your home.

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

This part fits various 24kW, 28kW, and 33kW Baxi, Potterton, and Main combi boilers, including Baxi Duo Tec 2, Ecoblue Advance, Platinum 2, Potterton Promax Ultra ERP, and Main Eco Compact models. Always verify your boiler’s GC number before purchasing.

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

Common signs include fluctuating hot water temperature, poor heating performance, or visible leaks within the boiler. If you experience any of these issues, the plate heat exchanger may be blocked or damaged and should be replaced by a qualified engineer.

4. Does this part come with a warranty?

Yes, the Baxi 720790001 Plate Heat Exchanger comes with a 12-month warranty covering manufacturing faults and defects when installed correctly by a Gas Safe registered engineer.

5. Can I install the heat exchanger myself?

For safety and compliance, this part must be installed by a Gas Safe registered engineer. Professional fitting ensures proper performance, efficiency, and maintains your boiler’s warranty coverage.