This aluminum expansion tank comes with 2 x 3/4″ FNPT fittings and a pressure relief cap. It can be used in Autoterm or other marine hydronic heating systems with up to a 5-gallon coolant capacity. The pressure relief cap overflow fitting is for connecting to an overflow reservoir. An expansion tank must be installed at the highest point of the heating system.

3/4" BRASS HOSE BARB WITH 3/4" MALE PIPE (NPT) THREAD x 2 ea., 5/8" BRASS HOSE BARB WITH 3/4" MALE PIPE (NPT) THREAD x 2 ea.

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Planar Distribution Ltd. selling diesel air heaters, engine coolant heaters, heating system installation equipment through our dealer network and directly to customers across Canada and the USA. We also provide installation and service with 2-year warranty backed-up by the manufacturer. Our showroom & warehouse open for the public.

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