Tube collectors and accessories Vacuum pipe collector series HP® Vacuum pipe collector model PR 2.09 Vacuum pipe collector model PR 2.09AvailabilityBrandNew productsPositionPriceProduct NameSort by 6 / 6AvailabilityBrandNew productsPositionPriceProduct NameSort byMultiple variants Elevation (for roof mounting kit) for roof pitches below 25° Immediately availableMultiple variants Roof mounting kit for roof pitch from 25° Immediately availableMultiple variants Flat roof mounting set Only a few items left in stockMultiple variants Compression fitting Immediately available Size: 18 x 18 mm For extending an additional collector97 009 99 Connection T-piece 18mm with sensor sleeve and Deaerators Currently not in stock Size: 18 mm With sensor immersion pipe and manual vent97 011 82 Connection kit for 2 pipe collectors / base set with insulated roof entry Immediately available Size 18 mmConsisting of: 2 x compression fittings 1 x compression fitting, angle