Single Handle 4" Centerset Knob: Flat Cap (Prior to 2009)
Moen produces a variety of single handle bathroom faucets. The interior components and assembly are not the same for each model. This article will explain one of the more common handle assemblies referred to as a Flat Cap Knob. This version of the faucet was produced through 2009, and utilizes a 1225 cartridge.
- The water supply shut off valves must be turned off- see article How to Turn Off the Water Supply to the Faucet.
- Recommended Tools: Phillips Screwdriver
For replacing the cartridge, see article 1225 Cartridge: Single Handle Bathroom Faucets (Prior to 2009).
For additional information on Moen products visit solutions.moen.com and select the type of product you are repairing. The guide will contain repair details, troubleshooting and specific information on assembling handles associated with that style of product.
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