Pentair | 261177 | 1.5 In Pre-Plumbed Multiport Valve | FNS Plus Filter

The Pentair 261177 pre-plumbed multiport valve is a 1.5-inch side-mount control valve designed for pool and spa filtration systems. This valve directs water flow through multiple operating modes including filter, backwash, rinse, waste, recirculate, and closed. It is commonly used with Pentair FNS, FNS Plus, and NSP D.E. filters and provides convenient control for routine filter maintenance and system operation.

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Key Features

• Replacement 1.5-inch side-mount multiport valve designed for Pentair FNS, FNS Plus, and NSP D.E. filter systems.
• Six-position valve operation includes filter, backwash, rinse, waste, recirculate, and closed settings.
• Pre-plumbed configuration supports 1.5-inch plumbing connections for simplified installation.
• Durable molded ABS/PVC valve body provides corrosion resistance and long service life.
• Positive-lock lever handle allows secure switching between valve positions during maintenance.
• Designed to support flow rates up to approximately 100 GPM for efficient filtration system performance.

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Product Overview

The Pentair 261177 pre-plumbed multiport valve is a filtration control component used to manage water flow through pool and spa D.E. filter systems. Installed on the side port of compatible filters, the valve allows operators to quickly switch between filtration modes such as filtering, backwashing, rinsing, and waste discharge.

The valve features a durable PVC body with a heavy-duty lever handle and internal rotor assembly designed for smooth operation and reliable sealing. Its six-position design simplifies routine filter servicing by redirecting water flow without disconnecting plumbing connections. When used with Pentair FNS, FNS Plus, or NSP filtration systems, the valve helps maintain efficient circulation and consistent filtration performance.