Pentair Air Orifice Kit, for 400K Heater | 77707-0113 Pool Table The brand is recognized for

The brand is recognized for dependable replacement parts availability

Their product ecosystem focuses on consistent fit and replacement over time

it helps maintain a consistent flow path by linking sections of piping

startup and vent performance can break down quickly

Origin: Made in the USA

Pentair Air Orifice Kit, for 400K Heater | 77707-0113 Pool Table The brand is recognized forWhat This Part Is Used For The Pentair 77707 0113 Air Orifice Kit is used in compatible 400K BTU Pentair heaters to regulate airflow within the burner Assembly. It supports proper combustion and ignition. Why This Part Matters A worn or incorrect orifice can cause flame instability and shutdown issues. Replacing the kit helps maintain efficient burner performance. Proper air regulation protects heat exchanger components. Key Features and