Vaillant Ecotec Pro 24 & 28 DHW Plate Heat Exchanger – Refurbished | Part No. 0020020018

A Vaillant Ecotec Pro boiler that's lost hot water consistency or developed kettling noises is often pointing to a domestic hot water plate heat exchanger that's scaled up internally. The Vaillant Plate Heat Exchanger, Part No. 0020020018, is the genuine 11-plate DHW secondary heat exchanger that restores efficient heat transfer between the boiler system and the hot water supply.

This is a professionally refurbished genuine Vaillant component, cleaned, descaled, pressure-tested, and checked before dispatch. It's a direct fit for the compatible Ecotec Pro 24 and 28 range, with no modification needed for installation.

Compatible Boiler Models

OEM Quality. Proven Performance. Backed by Warranty.

Every refurbished plate heat exchanger is cleaned, descaled, pressure-tested, and checked before dispatch. This 0020020018 unit restores efficient heat transfer in the DHW circuit and helps resolve common faults including no hot water, hot-then-cold water, low hot water pressure, kettling noise, and fluctuating temperature. Supplied with a full 12-month warranty, it's a dependable, cost-effective alternative to a brand-new replacement.

Delivery & Returns

Orders placed before 1:00 PM are dispatched the same working day, with standard and next-day delivery options available at checkout. Returns are accepted within 30 days, provided the item is unused and in its original condition.

Note: Please confirm that part number 0020020018 matches your existing unit before ordering. Installation must be carried out by a Gas Safe registered engineer to ensure safety compliance and warranty validity.