Hello. I'm looking to add a new radiator to my system and i will need a 1" to 3/4" bushing at the radiator. The 1" threads on the radiator are left handed. I went to a plumbing supply store this morning and they said left hand bushings are not manufactured anymore. Is this true? Any suggestions where I might find a 1" to 3/4" left handed thread bushing in the GTA area (Ontario, Canada) I'm also curious what a reasonable price for a dahl heavy pattern rough brass angle FxF radiator valve is. Any help would be appreciated. Thanks!