Help locating a trinidcator

Dingo

Looking for a trindicator with the shank at the 3:00 o'clock postion...

Any help would be appreciated

TIA

Mike T., Swampeast MO

I presume you mean "tridicator".

Here's one online source

Probably still a stock item in plumbing houses larger cities where hot water heat is common.

Steamhead (in transit)

It's also called

a "theraltimeter".

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