Product Description Oatey Water Heater Pan Adapters can be installed under gas or electric water heaters to protect from water damage. Available with 1 in. PVC, 1-1/2 in. PVC or 1 in. CPVC drain fittings to allow for connection to indirect drain. From the Manufacturer Oatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry