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• Gas Boilers Wall-Mounted Furnace 20 Plates Flat Parallel Water Flow Heat Exchanger How to make a choice the plate heat exchanger right for you ?1. First verify the number of plate warmth exchangersYou can examine the facet brand of the unique board changer, and you'll additionally measure the thickness. Confirm again whether or now not the water circulation is parallel or crossBlow from one port to look which port the air comes out from on the contrary side, if it comes out from a parallel port, it's a parallel circulate it comes out from the opposite corner of the mouth, it is the correct communication3. Confirm whether or not the water outlet is crimped or flat4. Measure the distance between the two screw gap

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