Brand new in original box, item is in perfect condition and is complete. This Vaillant heat exchanger is a genuine replacement part for ecoTEC VU (condensing) and ecoTEC VUW (condensing) boilers. The heat exchanger transfers heat from a boiler's burner to water. A primary heat exchanger is found in all boilers, using heat from a burner to raise the temperature of the water in the system while a secondary heat exchanger is present only in combis and allows the heat to be transferred between closed systems. We know you’re busy and need to get repair jobs done quickly and efficiently CLEARANCE PRICE - last stock available
