Moen & One Handle Tub & Shower Faucet  "87480" Questions

how do i replace a moen faucet cartridge I have model # 87480 & need to replace the cartridge part # 1224 if it is a 2 handle faucet, (thinking that because of the cartridge number) then you take ...

I have a single -handle Moen Torrance 87480 kitchen faucet that needs the cartridge replaced. (I had Moen ship it to me.) My problem is, I can't remove the single handle using my 3/32 allen wrench. ...