Profile: Martz Supply Company specializes in distributing plumbing and hydronic heating products. Our products include bathroom fixtures, faucets & accessories, kitchen fixtures & faucets, pipe, valves, fittings & hangers, radiant floor/snowmelt systems, water heaters & boilers and whirlpools & air jet baths. We provide solar water heaters and storage tanks with optional backup electric heat element. It contains two magnesium anode rods and inner tank is hand-crafted from heavy gauge steel.