Baxi 720852601 20 Plate Heat Exchanger – New | Fits Baxi, Potterton & Main

Reduced hot water output and heating inefficiency in larger Baxi, Potterton, and Main combi boilers often trace back to a plate heat exchanger that's no longer transferring heat efficiently between the domestic hot water and central heating systems. The Baxi 720852601 Plate Heat Exchanger, 20 Plates, is the genuine replacement built for higher-output combi models, restoring efficient heat transfer and dependable performance.

This component is essential for maintaining peak performance and energy efficiency in a wide range of 33kW and 40kW Baxi, Potterton, and Main combi boilers, and is ready to install with no modification needed.

Compatible Boiler Models

OEM Quality. Genuine Part. Backed by Warranty.

This 720852601 heat exchanger restores efficient heat transfer in higher-output combi systems and helps resolve the reduced hot water performance and heating inefficiency caused by a worn unit. Supplied with a full 12-month warranty on new stock, it's a dependable and cost-effective solution for servicing or repair.

Delivery & Returns

Orders placed before 1:00 PM (Mon–Fri) are dispatched the same working day, with standard, next-day, and Saturday delivery options available at checkout. Returns are accepted within 30 days of delivery, provided the item is in its original packaging with the manufacturer's seal intact; a 20% restocking fee may apply on orders returned for the wrong part.

Note: Please confirm that part number 720852601 matches your existing unit before ordering. Installation must be carried out by a Gas Safe registered engineer to ensure safety compliance and warranty validity.