Pentair Max-E-Therm 333 Air Orifice Kit (77707-0112) gfci and this generic version uses

and this generic version uses the O-101 reference

and installation style before purchase

or no longer provides the holding power needed for secure installation

Helps protect equipment from improper operating conditions

That keeps the repair efficient and organized

Pentair Max-E-Therm 333 Air Orifice Kit (77707-0112) gfci and this generic version usesKeep the repair centered on the right component with this Max E Therm 333 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 77707 0112, equipment series, and any size or voltage details shown in the product