Zilmet Cal-Pro 13.2 Gallon Hydronic Heating Expansion Tank

Zilmet has over 50 years of experience in manufacturing high quality diaphragm expansion tanks Over 2 million square feet of production space Has produced over 7.5 million tanks and over 1 million heat exchangers Fully vertically integrated, designing and manufacturing all diaphragms internally Zilmet has created a compact design with a seamless diaphragm that never stretches or creases. There are no bubbles or corners to trap sediment, inhibiting bacterial growth Technical Features: Each tank is factory leak tested to ensure tank integrity Certified synthetic SBR rubber diaphragm All diaphragms designed to maximize drawdown MIG welding eliminates interior rough spots and sharp edges Welded side outlet allows easy and quick installation Low profile tank design with full membrane depth eliminates stretching of diaphragm, providing increased life cycle External baked on epoxy-polyester coating provides a durable, appliance like finish Protected pre charge valve eliminates potential leak path 5 year warranty ...