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White plastic flush valve retrofit kit with side-mounted sensor and over-handle design

Rubbermaid

Rubbermaid FG401805A Flush Valve Retrofit Kit

SKU CH-8P87-12PHK MPN FG401805A

Converts a manual flush valve to sensor-activated, hands-free operation with battery power

  • Converts manual flush valves to sensor-activated operation
  • Sensor detects user presence and completes flush automatically
  • Single-flush design simplifies restroom maintenance
  • Battery-powered installation requires no electrical wiring
  • Retrofit kit fits existing toilet or urinal fixtures

Retrofit Kit for Sensor Flush

The Rubbermaid FG401805A kit converts a manual flush valve into a sensor-activated unit for toilets or urinals. A side-mounted sensor detects a user and triggers a single flush when the person steps away. Battery power removes the need for hard-wired electrical connections at the fixture.

Upgrade from Manual Operation

This kit replaces a traditional handle-operated mechanism with hands-free sensing. The jump is worth it when you want to reduce contact points in a restroom and simplify the flushing action to a single, automatic cycle per use.

Check Valve Compatibility

Verify that the existing flush valve body accepts a side-mounted, over-handle retrofit module before ordering. Confirm the battery compartment is accessible for future changes and that the sensor sight-line will not be blocked by nearby plumbing or partitions.

How it compares

Measured against everything we stock in Faucet Valves & Replacement Parts, at today’s prices. Recalculated every night.

Price $225.99
Pricier than about 82% of the 1,132 comparable items (median $54.99).

Specifications

Product
Brand nameRUBBERMAID
Product typeOther
Size & build
Shipping weight0.84 kg
Package size234 × 140 × 127 mm

Questions about this item

Will the FG401805A retrofit kit fit my existing side-mount flush valve with an over-handle design?

The kit is built for side-mount flush valves that use an over-handle configuration, so it matches that specific mounting style.

What is the installation sequence for the sensor unit and battery pack, and which step is most often missed?

Mount the sensor housing to the valve body, connect the wiring harness, then insert the battery pack; the step most often missed is snapping the battery connector fully home before sealing the cover.

How often will I need to replace the batteries in the FG401805A kit, and what type does it take?

The kit runs on standard alkaline batteries; typical life is one to two years depending on traffic, after which you simply swap the cells.

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