American Built Pro is the one-stop shop to Buy Water Heater Drain Pan made of high-quality plastic. We offer the best quality drilled and undrilled Water Heater Drain Pan with a 1″ drain adapter fitting. These easy-to-install and customisable water heater pans drain water away and protect floors from water damage. The product is manufactured from [0.0625] In recycled plastic polymer. We offer water heater drain pans in seven nominal sizes (19″ – 20″ – 22″ – 24″ – 26″ – 28″ – 30″).