Pentair MasterTemp 300 Air Orifice Kit (460759) cords this Waterway union tee assembly

this Waterway union tee assembly is a practical option when a removable union connection with an integrated 1 inch tee is needed

That keeps the repair simple while improving day-to-day usability

Using the correct 90 square foot element helps the filter maintain the surface area it was designed around

This replacement is especially useful when the original terminal block is cracked

A replacement spa or pool filter cartridge helps support cleaner water by collecting suspended debris inside the filter housing

Pentair MasterTemp 300 Air Orifice Kit (460759) cords this Waterway union tee assemblyKeep the repair centered on the right component with this MasterTemp 300 Air Orifice Kit. It is used in the heater combustion system to help meter the air path for the correct burner configuration. Because orifice sizing affects how the heater breathes and fires, this is a precision replacement part rather than a generic fitting. Before installation, verify part number 460759, equipment series, and any size or voltage details shown in the product