Legend 108-910AR Replacement Cartridge For Original 10” Frost Free T-550 Sillcock 

Note: The “AR” Has TWO o-rings and NO tabs at the end of the cartridge (If Yours Differs You Will Need The “A”) 

Also Note: The original T-550 incorporates a detachable cartridge attached by the stainless-steel Phillips-head screw at the back of the stem (arrow), permitting cartridge removal from the stem. 

The replacement retro-fit cartridge eliminates this feature; the stem and cartridge are now one piece. 

Specifications: 
Fits Sillcock Length 10” 
Cartridge Length Without Handle 13-5/8” 
Cartridge Length With Handle 14-1/2"” 

The ORIGINAL T-550 I.D. disc is Silver with Black "LEGEND" lettering and includes only the phrase "Pat. Pend." The inlet connection is tapered, with six wrench flats, verses a knurled wrench pad.