The Baxi 720777001 Alternative DHW NTC Sensor is a genuine replacement temperature sensor designed to monitor the domestic hot water (DHW) temperature in compatible Baxi boilers. By sending accurate temperature readings to the boiler’s PCB, this sensor ensures stable hot water output and safe system operation.

A faulty DHW NTC sensor can cause inconsistent water temperature, poor modulation, fluctuating hot water output, or boiler lockouts. Replacing it with this genuine Baxi component restores correct temperature monitoring and reliable hot water performance.

Key Features

• Genuine Baxi DHW NTC temperature sensor

• Provides accurate domestic hot water temperature readings

• Ensures stable, consistent hot water delivery

• Helps resolve fluctuating temperatures and DHW-related error codes

• Manufactured to Baxi’s reliability standards

• Direct-fit replacement for easy installation

Compatible With

Suitable for selected Baxi boilers that use DHW NTC sensor 720777001.

Please verify the part number with your boiler’s manual or existing sensor to ensure correct compatibility.