Description

Baxi 720789201 NTC Temperature Sensor – Compatible with Baxi, Main, Potterton Boilers

The Baxi 720789201 is a high-quality NTC (Negative Temperature Coefficient) sensor that plays a vital role in monitoring water temperature in your boiler. It helps regulate the heating cycle by sending temperature readings to the control board. This replacement part is compatible with a wide range of boiler models from Baxi, Main, and Potterton.

Ideal for fixing temperature regulation faults, intermittent hot water, or overheating issues.

Compatible Boilers & GC Numbers:

🔹 Baxi Boilers:

• 624 Combi – GC No: 47-077-28

• 630 Combi – GC No: 47-077-29

• 636 Combi – GC No: 47-077-30

• 825 Combi – GC No: 47-077-38

• 830 Combi – GC No: 47-077-39

• 836 Combi – GC No: 47-077-40

• 24 Combi – GC No: 47-075-67

• 28 Combi – GC No: 47-075-68

• 40 Combi – GC No: 47-075-70

• Duo Tec 2 24 GA – GC No: 47-075-54

• Duo Tec 2 28 GA – GC No: 47-075-55

• Duo Tec 2 33 GA – GC No: 47-075-56

• Duo Tec 2 40 GA – GC No: 47-075-57

• 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

• Ecoblue Advance Combi 40 – GC No: 47-075-90

• 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

• Advance Combi 40 ERP – GC No: 47-077-17

• 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

🔹 Main Boilers:

• Eco Compact 25 Combi – GC No: 47-467-14

• Eco Compact 30 Combi – GC No: 47-467-15

🔹 Potterton Boilers:

• Combi 25 – GC No: 47-393-58

• Combi 25 LPG – GC No: 47-393-70

• Combi 30 – GC No: 47-393-59

• Combi 30 LPG – GC No: 47-393-69

• Combi 36 – GC No: 47-393-67

• System 15 – GC No: 41-592-54

• System 18 – GC No: 41-592-55

• System 18 LPG – GC No: 41-592-96

Promax Ultra Range:

• 24 Combi ERP – GC No: 47-393-54 (AC/BC/CC/DC)

• 28 Combi ERP – GC No: 47-393-55 (AC/BC/CC/DC)

• 33 Combi ERP – GC No: 47-393-56 (AC/BC/CC/DC)

• 40 Combi ERP – GC No: 47-393-57 (AC/BC/CC/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

FAQs

1. What does the Baxi 720789201 NTC Temperature Sensor do?

The Baxi 720789201 NTC Temperature Sensor monitors the water temperature in your boiler and sends readings to the control board. This helps the boiler regulate heating and hot water cycles efficiently.

2. Which boilers are compatible with this sensor?

This sensor fits multiple Baxi boilers (624 Combi, 630 Combi, 636 Combi, 825 Combi, 830 Combi, 836 Combi, Duo Tec, Ecoblue Advance, Advance Combi, Platinum 2 Combi), Main boilers (Eco Compact 25 & 30 Combi), and Potterton boilers (Combi 25, 30, 36, System 15, 18, Promax Ultra range).

3. Can I install the sensor myself?

While the sensor is easy to fit, it is recommended that installation is carried out by a Gas Safe registered engineer to ensure safety and compliance with boiler regulations.

4. What issues can this sensor fix?

The Baxi 720789201 NTC sensor helps resolve temperature regulation faults, intermittent hot water, and overheating issues in compatible boilers.

5. Does this product come with a warranty?

Yes, the Baxi 720789201 NTC Temperature Sensor comes with a 12-month warranty, covering defects or faults under normal use.