Fixing leaky bath faucet, Replacing Moen 1225 Cartridge for Shower Faucet

How to replace the cartridge or core for a 1225 Moen bath/shower faucet, step by step. This was to fix a leaky bath faucet, that dripped constantly and water came out in gloms periodically.

• #howto_style
• #moen_1225_cartridge_replacement_video
• #moen_1225
• #moen_1225b
• #replace_bath_faucet_cartridge
• #replace_1225_cartridge
• #replace_bath_faucet_core
• #fix_leaking_bath_faucet
• #leaking_bath_faucet
• #dripping_bath_faucet
• #install_moen_1225_cartridge
• #replacing_moen_cartridge
• #moen_1225_cartridge_stuck
• #moen_1225_replacement
• #installing_moen_1225
• #installing_moen_1225_cartridge
• #fix_leaky_bath_faucet
• #leaky_bath_faucet
• #replace_moen_shower_cartridge
• #replace_moen_bath_cartridge