Please check the GC number of your boiler to ensure you order the correct part. Returns not possible if you’ve opened the packaging This Ideal Isar He 24 Plate Heat Exchanger is brand new and comes with seals and screws. It is a Storage Tank Water Heater with a stainless steel Tank Lining Material and a Gas/Petrol Power Source. The Heating System is a Boiler, ideal for indoor use. The Water Connection is inside, utilizing gaskets for installation. The sleek silver design adds a touch of elegance to any home heating system. Brand new in bag. Collection from telford welcome. We have a load of stock to clear - so if you would like a lot of stock then get in touch… we’re slowly listing it on ebay but there are thousands of items. If you want a lot then get in touch!