Pentair MasterTemp 300 LP to Natural Gas Conversion Kit (460756) harwil Union ball valves are useful

Union ball valves are useful because they combine shutoff control with a more service-friendly connection style

Part number 217270A helps confirm the correct item before ordering

Supports dependable in-floor system performance

and preserve the existing plumbing layout

This replacement is especially useful when the original bulkhead adapter is cracked

Pentair MasterTemp 300 LP to Natural Gas Conversion Kit (460756) harwil Union ball valves are usefulWhen a repair calls for precision rather than guesswork, this MasterTemp 300 LP to Natural Gas Conversion Kit is made to fit the listed Pentair and Sta Rite application. It is designed for fuel conversion service where matching the correct heater model, BTU range, and gas type is critical before installation. It helps support proper combustion setup after a qualified service professional verifies manifold pressure, orifices, labeling, and local code