Pentair Sta-Rite MasterTemp 300 Natural Gas Orifice (460753) powervac The see-through design makes it

The see-through design makes it easier to check water level

Designed for compatible PH301-15UP bath heating applications

Using the correct replacement helps restore the designed safety and startup logic

Open-style impeller wrench for compatible pool pump work

this Waterway gray skimmer lid is a practical replacement when the original lid needs to be renewed

Pentair Sta-Rite MasterTemp 300 Natural Gas Orifice (460753) powervac The see-through design makes itFor compatible MasterTemp 300 heaters, this natural gas orifice helps control the amount of gas supplied to the burner system. It is a fuel specific part that should be matched to the heater model and service procedure. Replacing an incorrect, damaged, or missing orifice can help restore safe, consistent combustion when all other heater conditions are correct. Professional installation and verification are strongly recommended for any gas train