Spirovent Jr air eliminator features a patented Spirotube coalescing component, which "filters out" the air from water inside a hydronic or radiant heating system, effectively improving its'' performance and the lifespan of the components. Spirovent Jr air eliminator features an easy to install, in-line design, making it ideal for a large variety of residential and light commercial uses with pipe sizes ranging from 3/4" to 1-1/4". Spirovent Jr model VJP150 is also equipped with a 1/2" threaded tapping, which allows for easy connection of an expansion tank. Installation manual included.

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