Waterway Plastics 400-9177B Return Wall Fitting - 1 inch Gray

What This Part Is Used For
The Waterway Plastics 400-9177B return wall fitting is used to route filtered water back into a pool through the wall structure. The 1 inch size is commonly found on return lines in pool circulation systems, particularly where a compact return opening is required. This fitting installs through the pool wall and serves as the connection point between plumbing and the return eyeball assembly. It is frequently used during new installations or return line repairs.

Why This Part Matters
A damaged or improperly sized return wall fitting can lead to leaks behind the pool wall or reduced return flow. Over time, this can affect circulation balance and overall water quality. Using the correct wall fitting helps maintain a secure seal and consistent water delivery back into the pool. Proper fit at the wall penetration is critical to long-term system reliability.

Key Features and Specifications

• Manufacturer part number 400-9177B
• Return wall fitting for pool circulation systems
• 1 inch plumbing size
• Gray finish
• Used at pool wall return penetrations
• Connects return plumbing to return fittings
• OEM Waterway replacement component

Installation and Fitment Guidance
This fitting installs through the pool wall and connects to the return plumbing on the backside. Installers typically ensure proper gasket placement and alignment before securing the fitting. Compatibility depends on the pool wall thickness and return configuration. Confirm by manufacturer part number before ordering.

About the Waterway Plastics Brand
Waterway Plastics is a long-standing supplier of pool circulation and wall fitting components. Their return fittings are widely used in residential and commercial pools for consistent sizing and dependable sealing. Waterway products are engineered with real installation conditions in mind. Builders and service technicians trust Waterway for reliable wall penetration hardware.

Common Service Context
This return wall fitting is often encountered during leak repairs, liner replacements, or circulation upgrades. Technicians commonly identify it by plumbing size and return opening configuration. It is frequently replaced when upgrading return eyeballs or correcting wall seepage.