141-180kW plate heat exchanger with insulation included. A ready-made solution for separating the boiler from heating systems with old, dirty and poor quality system water The plate heat exchanger ensures boiler water and system water never meet. Protects the boiler and therefore minimises potential downtime, as well as improving long-term efficiency The plate heat exchanger separates the primary (boiler) and secondary (heating system) Allows GC7000WP boilers to be installed on an open vented system. Connection Size 1 1/4" Also be used to provide boiler protection when installing within an old, sealed secondary system. Manufacturer Stock Code:7733600018 Sub-Category:Light Commercial Accessories Brand:Bosch Category:Spares and Accessories