Patent ID: 6949185

Claim:
A replaceable UV bulb assembly for a UV subassembly of a point- of-use water treatment system, the system in fluid communication with a water supply comprising: a connector adapted to mechanically mount to the UV subassembly, said connector having an internal surface that faces an interior of the UV subassembly and an external surface that is visible from an exterior of the UV bulb assembly when said replaceable UV bulb assembly is mechanically mounted to the UV subassembly, the connector defining an aperture having a cross section; a UV bulb affixed to said connector, said bulb contained within the UV subassembly when said connector is mounted to the UV subassembly; and a light pipe mounted in the aperture so that the light pipe fills the entire cross section, said light pipe extending from said internal surface to said external surface, wherein said connector, said UV bulb, and said light pipe form an integrated unit that is removable and replaceable relative to the UV subassembly while the point-of-use water system remains in full fluid communication with the water supply.