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1940 heater hose "y" connector
Just can't stay away
2018/10/28 16:42
From Bruce, MI
Posts: 83
I am trying to determine the correct size of the Super 8 Formal Sedans heater hose "y" connector. It looks like 5/8"x5/8"x3/4" but I connect tell for sure.

The 5/8" side feeds one of the back seat heater core in the rear of the car, the 3/4" feeds the dash core and the other 5/8" goes to the radiator.

Currently these "y"s are plastic so I am looking for a more period correct connector. Maybe brass?

Posted on: 6/26 14:37:06
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Re: 1940 heater hose "y" connector
Forum Ambassador
2007/4/20 17:54
From Fresno CA
Posts: 15129
Am curious if both Y or tees are located in the engine compt and are both plastic? The Packard two unit heaters I have seen were plumbed in series starting at the shutoff valve in the head and going to the front heater, out of the front to the rear heater and then back to the water pump return. All used 5/8 hose so wonder if the Y setup was needed for a different front heater and is something only for formal sedans or was previous work done and the Y plumbing was added instead of the more common series configuration.

McMaster-Carr has brass tees in 5/8 or 3/4 but not Ys or the combo 5/8-3/4 configuration you mention.

Posted on: 6/26 16:29:25
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