Hydro-Quip Pure Heat In-Line Bath Heater [1.5kW] (PH101-15UP-S) is a replacement heater or heater service component from Hydro-Quip for compatible pool, spa, or bath heating systems. It is used when servicing worn, damaged, or failed heater assemblies where the correct model series, fuel or voltage configuration, sensor style, element size, or hardware fit must be matched. Use part number PH101-15UP-S when matching this item to an existing component, owner’s manual, parts diagram, or service record. Key identifiers and configuration details include 1.5kW. Using the correct replacement part helps support dependable heating performance, safe operation, and proper equipment service.Heater parts should be selected by exact part number and application details. Confirm electrical ratings, gas type, element dimensions, plumbing connections, and model compatibility before ordering, and have installation performed by a qualified service professional when required. Genuine or listed Hydro-Quip replacement option for Heaters applications Designed for matching by part number, equipment model, and physical configuration Useful for repair, rebuild, routine maintenance, or replacement service Compare size, voltage, color, connection type, and model details before ordering Professional installation is recommended for heater, gas, electrical, and pressure-sensitive repairs