Prier C-434 Heavy Duty Hose BibbDescription The C 434 is kind of an odd hose bibb that might be useful for some that require a specific bibb layout. Key features about the C 434 are that it's a freezeless, anti siphon bibb with a backflow check valve. The C 434 requires about 2 1 4 360 degree turns to get the valve 100% open where a bibb like the P 164 requires roughly a single quarter turn. The body of the C 434 is 100% brass but with a satin nickel plating which gives an