Pentair Gas Orifice Kit 333K NA | 77707-0421 A&A Pop Up Head Accessories Tools Bromine is as effective as

Bromine is as effective as chlorine with the benefit of no chlorine odor

Replace When Necessary: Timely replacement of worn chains helps prevent further damage to your pool cleaner

The seal itself is blue and has fan-like edges making it easy to identify

This cleaner part automatically controls excess flow through the cleaner for optimal performance

By actively fighting scale

Pentair Gas Orifice Kit 333K NA | 77707-0421 A&A Pop Up Head Accessories Tools Bromine is as effective asPentair Gas Orifice Kit 333K NA 77707 0421 The Pentair Gas Orifice Kit (77707 0421) is a precision engineered replacement component for Pentair pool and spa heaters with a 333K BTU natural gas system. This kit regulates gas flow to ensure efficient combustion, optimal heating performance, and energy efficiency. Designed for durability, it helps maintain the reliability and safety of your heating system. Features: Genuine Pentair replacement gas