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

Helps reduce cable twisting and improve movement

and plumbing size before ordering to ensure the correct fit

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

The PS-851 part number makes it easier to verify the correct component before installation

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