Pentair Metal Flue Collar Kit [4" x 8" Accessory] (77707-0077) filburmfg An internal like this is

An internal like this is useful because it restores a more specialized and dynamic jet pattern while also delivering a premium visible trim finish

It is a valuable service item for pool lighting repairs where fixture security

Praher Adapter Union [1-1/2" MPT Short x 2" Slip] is a Praher adapter union used to connect compatible threaded and slip plumbing components in pool

or missing and the skimmer area needs a cleaner finished appearance

The 184JMZ frame detail helps define whether the replacement is physically aligned with the original installation and supports a more dependable repair path

Pentair Metal Flue Collar Kit [4" x 8" Accessory] (77707-0077) filburmfg An internal like this isThis 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