The Hydro-Quip housing manifold kit is designed for compatible Aquatherm and HQ 4000 Series heater applications, including supported CM4000, HT500, AP2, and 300 Series systems. A manifold kit is useful because it helps restore one of the main structural and flow-handling sections of the heater assembly in a more coordinated package.This replacement is especially useful when the original housing or manifold-related components are cracked, worn, or no longer worth piecing together one part at a time. A kit format can make service work more efficient and improve confidence in the finished rebuild.The 48-0014 is a practical service solution when a compatible Hydro-Quip heater system needs its housing manifold section renewed for cleaner fit and more dependable performance. Hydro-Quip housing manifold kit Designed for compatible Aquatherm and HQ 4000 Series applications Supports CM4000, HT500, AP2, and 300 Series systems Useful when the original housing section is worn or damaged Supports a more complete heater rebuild