Hydro Quip Laing Trombone Style Heater [4.0kW] [240v] w HL & FlowSwitch (26 3473 1H 5T F) cgairsystems A properly selected replacement helps A properly selected replacement helps preserve the intended water path and support relationship of the pump instead of forcing the repair to rely on a substitute that only partly fits this Waterway multiport valve is a practical option when a side mount design and 2 inch slip plumbing format are required 240 volt configuration A specialty heater like this is useful because it matches systems that rely on a specific internal shape and protective feature set rather than a more conventional straight body heater