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Whirlpool Install-hub

Whirlpool Faucet Installation Guide

WHER25 RO Installation at the Kitchen FaucetThe WHER25 includes all installation hardware for the under-sink compartment and the dedicated chrome faucet. Faucet installation: drill or use existing 1-3

Updated Aug 2026 · Whirlpool Faucets

WHER25 RO Installation at the Kitchen Faucet

The WHER25 includes all installation hardware for the under-sink compartment and the dedicated chrome faucet. Faucet installation: drill or use existing 1-3/8" hole in sink deck; thread faucet shank through hole; tighten mounting nut from below with a basin wrench. Connect 1/4" blue tubing from the RO system to the faucet inlet. The WHER25 filter housings mount to the cabinet wall inside the sink cabinet. Saddle valve connects to the cold supply; drain adapter connects to the P-trap. Whirlpool support: 1-866-698-2538.