The Ford Barn

Seth Swoboda · 11-22-2023, 02:04 PM

I can't get any hot air off my hot water heater in my 1947 Ford. Fan works as it should. Could the heater core be air locked?

The valve is open on the head.

meric42 · 11-22-2023, 03:16 PM

Hi Seth, Here is a diagram of the plumbing for the Hot Water heater to check your connections and flow direction. I've never had a problem with water flow in these heaters.

Seth Swoboda · 11-22-2023, 03:24 PM

Meric,

I'll check my flow direction. I did have the heater out for a repair last year.

Thanks,
Seth

petehoovie · 11-22-2023, 04:09 PM

Quote:

Originally Posted by meric42

Hi Seth, Here is a diagram of the plumbing for the Hot Water heater to check your connections and flow direction. I've never had a problem with water flow in these heaters.

Ggmac · 11-22-2023, 04:11 PM

Do you have a spigot valve on the head shut off ?

Seth Swoboda · 11-22-2023, 04:15 PM

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Quote:

Originally Posted by Ggmac

Do you have a spigot valve on the head shut off ?

I double checked the valve. It is open. I bet I have the flow reversed from when I took the heater out.

alanwoodieman · 11-22-2023, 04:48 PM

water flow in at bottom out at top--keeps out an air pocket

cadillac512 · 11-23-2023, 09:17 AM

Leaving the hose at the top loose while filling really helps fill the core.

Seth Swoboda · 11-23-2023, 11:05 AM

Went to work on it this morning at 7. Heater valve was plugged with black junk. I drained the system. Took the valve out and cleaned it. I then flushed the heater core. Refilled the system with new coolant. It works great now. Thanks.

cadillac512 · 11-23-2023, 01:18 PM

Great! Sometimes it's the simple stuff. Love those heaters-the flathead engine makes heat quickly too.

11-22-2023, 02:04 PM	#1
Seth Swoboda Senior Member Join Date: May 2010 Location: Southern Illinois Posts: 3,795	1946-1948 Hot water heater I can't get any hot air off my hot water heater in my 1947 Ford. Fan works as it should. Could the heater core be air locked? The valve is open on the head.

11-22-2023, 03:24 PM	#3
Seth Swoboda Senior Member Join Date: May 2010 Location: Southern Illinois Posts: 3,795	Re: 1946-1948 Hot water heater Meric, I'll check my flow direction. I did have the heater out for a repair last year. Thanks, Seth

11-22-2023, 04:11 PM	#5
Ggmac Senior Member Join Date: Jul 2016 Location: Lake worth Florida Posts: 1,101	Re: 1946-1948 Hot water heater Do you have a spigot valve on the head shut off ?

11-22-2023, 04:48 PM	#7
alanwoodieman Senior Member Join Date: May 2010 Location: upstate SC Posts: 2,965	Re: 1946-1948 Hot water heater water flow in at bottom out at top--keeps out an air pocket

11-23-2023, 09:17 AM	#8
cadillac512 Senior Member Join Date: Apr 2019 Location: Kansas Posts: 922	Re: 1946-1948 Hot water heater Leaving the hose at the top loose while filling really helps fill the core. __________________ "It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" 302

11-23-2023, 11:05 AM	#9
Seth Swoboda Senior Member Join Date: May 2010 Location: Southern Illinois Posts: 3,795	Re: 1946-1948 Hot water heater Went to work on it this morning at 7. Heater valve was plugged with black junk. I drained the system. Took the valve out and cleaned it. I then flushed the heater core. Refilled the system with new coolant. It works great now. Thanks.

11-23-2023, 01:18 PM	#10
cadillac512 Senior Member Join Date: Apr 2019 Location: Kansas Posts: 922	Re: 1946-1948 Hot water heater Great! Sometimes it's the simple stuff. Love those heaters-the flathead engine makes heat quickly too. __________________ "It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" 302