Pentair Metal Flue Collar Kit [4" x 8" Accessory] (77707-0077) airsupply A dedicated tool is useful

A dedicated tool is useful because it helps engage the nut more securely

making them common replacement items when the original cover becomes cracked

Always shut down equipment and relieve pressure safely before working on any filtration system component

Useful during full wet-end rebuilds or impeller-specific repairs

5 SPL motor in a 2-speed configuration rated at 13

Pentair Metal Flue Collar Kit [4" x 8" Accessory] (77707-0077) airsupply A dedicated tool is usefulThis service part is a practical choice when maintaining Pentair pool equipment and restoring the function customers expect from the system. Because pool equipment operates under heat, pressure, water exposure, and repeated service cycles, choosing the correct replacement helps reduce callbacks. This item supports pool and spa heater repair, helping keep the broader pool system easier to service and more dependable in use. Designed for pool and spa