In & Out Valve for Whole House Water Filter System – 2.5″ Opening FRP Tanks, 1″ FPT

$35.00

Need a simple, no-frills valve for your FRP mineral tank? This in & out valve threads directly onto any standard 2.5″ tank opening and gives you 1″ FPT connections for inlet and outlet. Unlike a backwash control valve, this is a straightforward flow-through valve — water goes in, passes through your media, and comes out. No electricity, no backwash cycle, no programming. Just a reliable way to plumb a whole house filter or softener tank into your water line.

Description

Not every tank setup needs a full backwashing control valve. If you’re running a media that doesn’t require regular backwashing, or you’re handling backwash separately, this simple in & out valve gives you a clean, reliable way to plumb your FRP mineral tank into your water line without the added cost or complexity of a programmable valve.

What This Valve Does — and Doesn’t — Do

This is a flow-through valve, not a backwash control valve. Water enters through the inlet port, travels down through your tank’s distribution riser tube, passes through the media bed, and exits through the outlet port. There’s no backwash cycle, no timer, no electricity required — it’s a straightforward, mechanical connection point between your plumbing and your tank.

This makes it a good fit for setups using media that doesn’t need frequent backwashing, or for anyone who prefers to handle backwashing manually through a separate bypass assembly.

Fits Standard FRP Tanks

The valve threads directly onto any FRP or mineral tank with the industry-standard 2.5″ top opening — the same thread size used across most residential softener and filter tanks. Because this is such a common standard, the valve is compatible with tanks from a wide range of manufacturers, not just one proprietary brand.

  • 1″ FPT (Female Pipe Thread) inlet and outlet ports
  • Fits FRP/mineral tanks with standard 2.5″ top opening thread
  • Compatible with standard distribution riser tubes

Common Uses

This valve style is commonly used on whole house filtration tanks holding carbon, sediment, Filter AG, calcite, catalytic carbon, or other backwashing and non-backwashing media, as well as on water softener resin tanks where a separate control head handles regeneration. Because it’s a simple mechanical valve rather than a media-specific control head, it works across virtually any FRP tank setup with a standard 2.5″ opening — the valve itself doesn’t care what’s inside the tank.

Specifications

Feature Details
Valve Type Simple In & Out (Flow-Through, Non-Backwashing)
Inlet/Outlet Ports 1″ FPT
Tank Thread Compatibility 2.5″ Standard Top Opening
Tank Types Supported Standard FRP / Mineral Tanks
Power Required None
Backwash Function No — flow-through only
Common Applications Whole house filtration, water softener resin tanks

Who This Valve Is For

  • DIYers building a custom filtration setup who need a straightforward, no-electronics valve
  • Anyone replacing a worn or damaged in/out valve on an existing FRP tank
  • Households using non-backwashing media that doesn’t require a programmable control head
  • Setups with a separate bypass or manual backwash assembly already in place

A simple, dependable way to plumb your mineral tank in — no electronics, no complications.

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