![Waterway Dual Port Skim Filter Weir Door [100/200 Sq. Ft.] [Grey] (550-6607) balboawater The listed part number is](https://cdn.shopify.com/s/files/1/1751/9347/products/550-6607.jpg?v=1597257310)
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The listed part number is MTB-311A
It is a practical service option when restoring dependable heater performance in a compatible Vita Spas setup requires the correct tapped heater body
run hotter than normal
A sight glass is useful because it allows the user to view water movement and condition through the plumbing line
Waterway Dual Port Skim Filter Weir Door [100/200 Sq. Ft.] [Grey] (550-6607) balboawater The listed part number isThe Waterway 550 6607 weir door is designed for compatible dual port skim filter applications in 100 and 200 square foot sizes and comes in gray. A weir door like this is useful because it helps restore proper skimming action at the entry point of the assembly, supporting better surface water movement into the filter area. Weir doors are important moving parts in skim filter systems because they help regulate how water enters the unit during
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