How Cold to bust water hoses?

Supposed to get down to 26 here tomorrow night and the next. Highs in 40 s. Checked antifreeze in engines good to about 10. I don t know how you guys handle it up north!
 
Pipes and hoses split for this reason: water expands when it freezes with dramatic force. It splits pipes and hoses if and only if it gets trapped
between two places and those places are either an outside faucet, and a inner valve, or two places freezing at two locations on the same pipe or hose.
I guarantee ice will push down a pipe or hose with no damage if not constrained. My home has outside hose bibs that are frozen back inside the house
for about 10 to 14 inches. If I had shut off the inside valves, there would be split pipes. This house was built in 1938 and has been freezing and
thawing at the sill cocks for 82 years. Jim
 
I use a 50/50 mix, good for around -30.

And you do need to use antifreeze year around for the lubricating and anti rust properties.
 
I doubt if 26 for a few hours would damage an engine with straight water in the block. It would take awhile to freeze an engine solid enough to break the block at that temp. However, I wouldnt risk it. If the tractor is inside a closed tight building you have nothing to worry about.
 
Hello Mike(NEOhio)

NO...... not really. It does elevate the boiling point of the coolant together with radiator's pressure cap though,

Guido.
 
(quoted from post at 18:59:07 01/19/20) What makes you think it is a old wives tale???

Pure water will stay liquid between 32 and 212 degrees.
A 50/50 mix of water and ethylene glycol will stay liquid between minus 35 and 223 degrees.

When you take it one step further, creating a 30/70 mixture of water and ethylene glycol, the boiling point rises to 235F (113C) and the freezing point lowers to -67F (-55C).
 
Nothing to worry about at 26* for a short time.

Takes sustained, well below freezing to damage plumbing or engines.

I would be more concerned with rust and corrosion than freezing. If the antifreeze is diluted to the point of only 10*, there is probably no rust inhibitor left.
 
Go buy a jug of antifreeze and strengthen you mix --- geeze it isnt rocket
science. You would probably spend that much going to mcD's
 
(quoted from post at 21:13:49 01/19/20) Nothing to worry about at 26* for a short time.

Takes sustained, well below freezing to damage plumbing or engines.

I would be more concerned with rust and corrosion than freezing. If the antifreeze is diluted to the point of only 10*, there is probably no rust inhibitor left.

"Takes sustained, well below freezing to damage plumbing or engines."

WOW, Steve, surely you know better than that!

Or you don't live in an area that "sees" freezing temperatures!
 
I bought a truck out of Az. I am the 2nd owner. Apparently the previous owner didn't recognize the importance of anti freeze. I did at least a half dozen whole system flushes, plus replaced a plugged radiator trying to get all the rust out. Earlier this winter I had to back flush the heater core and get the rust out of that. It would not blow hot air. I will probably do another complete flush in the spring. No one is going to convince me you don't need anti freeze if you live in the south.
 
I live in Minnesota.

26 would make me very nervous. I wouldn?t sleep.

28 would concern me, but I would fall asleep.

If inside a shed I would sleep good the first night either way, but by the third night I?d be nervious again as the cold seeps in accumulating.

Very often my farm gets colder than they predict by several degrees.

I come by this with the school of hard knocks, been there.

Paul
 
That's OK, many on these forums have the 'mouth in motion , before brain in gear' problem....you are not alone.
 
Might not hurt the engine. I would not want to risk the radiator though. Those tubes will freeze pretty easy and are thin. Cheaper to drain for the winter or add the antifreeze.
 
Latent heat that?s why a river doesn?t instantly freeze solid when the temperature drops below 32 degrees and why a stock tank also doesn?t freeze instantly when it drops to 30 degrees or why the temperatures can drop to
18 overnight but you can still plow as long as it gets up above 32 for a few hours each day.
 
If antifreeze is good to 10 I wouldn't worry about 26. It will just start to freeze at about 10 degrees so if it gets down that low you might
add some more concentrated antifreeze.
 

Some times we get below 20 Coolant that test 15 is the danger zone not so much it will freeze a block it will cause the radiator to slush the engine will run hot before it melts the slush.

My rule is at least -15 are it gets changed out.
 
Latent heat is only a tiny tiny part of why you can plow. The heat moving from the ground to the air is the main thing that keeps it from freezing. There is a huge thermal mass in the soil/earth.
 
I just bought something that had the oil pan frozen and broken out. In the spring it got flooded via the dipstick hole and it sat out over night just barely below freezing. The water in the bottom of the pan froze and burst the
aluminum pan.

1 degree below freezing broke my freeze resistant faucet last year as I forgot to remove the hose.

A lot of people don't realize that on a clear night objects can be colder than the air temperature due to radiative loss to space. If you're bored point your IR thermometer at the sky on a cold night.
 
(quoted from post at 00:44:33 01/20/20)
(quoted from post at 21:13:49 01/19/20) Nothing to worry about at 26* for a short time.

Takes sustained, well below freezing to damage plumbing or engines.

I would be more concerned with rust and corrosion than freezing. If the antifreeze is diluted to the point of only 10*, there is probably no rust inhibitor left.

"Takes sustained, well below freezing to damage plumbing or engines."

WOW, Steve, surely you know better than that!

Or you don't live in an area that "sees" freezing temperatures!


Ditto.
 
Caterpillar guy is right. The mass of water and steel in the block will not freeze with a few hours of 26 degree exposure but the radiator will freeze. I did not think about the radiator. I accidentally left a tractor outside the shop with water in it for a few hours at 15 degrees. When I finally remembered what I had done I ran out there , started it up and backed it back into the warm shop. The water pump did not turn because it was frozen but after the tractor thawed out there was no freeze damage showing. That was a good 15 years ago and I am still using the tractor regularly with no leaks. It is an Oliver 88.
 
Other side of the equation is that as you lower the freeze protection you increase the boiling point for summer

With the green stuff I use 50/50 mix with -34 freeze protection. Also more lube and anti-rust concentration. Peace of mind more than offsets the small added cost
 

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