We have a couple of garden fountains - the type with two or three scallops,
water overflows each one into the one below and with a "hidden" pump in the
bottom scallop to pump water up to the top again.

My question is about the winter - is it necessary to remove the pumps to
avoid them from being frozen or do they survive freezing?

Many thanks

Harry

"Harry Ziman" wrote ...
We have a couple of garden fountains - the type with two or three
scallops, water overflows each one into the one below and with a "hidden"
pump in the bottom scallop to pump water up to the top again.

My question is about the winter - is it necessary to remove the pumps to
avoid them from being frozen or do they survive freezing?

Yes it is essential to ensure they don't freeze, water expands on freezing
so they would suffer damage.

--
Regards
Bob
In Runnymede, 17 miles West of London

"Bob Hobden" wrote in message
...

"Harry Ziman" wrote ...
We have a couple of garden fountains - the type with two or three
scallops, water overflows each one into the one below and with a "hidden"
pump in the bottom scallop to pump water up to the top again.

My question is about the winter - is it necessary to remove the pumps to
avoid them from being frozen or do they survive freezing?

Yes it is essential to ensure they don't freeze, water expands on freezing
so they would suffer damage.


If the pump is entirely under the water, no, the pressure on all sides would
be equal assuming it did freeze that hard.

--
Tumbleweed

email replies not necessary but to contact use;
tumbleweednews at hotmail dot com

Harry Ziman hziman at clara dot co dot uk wrote or quoted:

We have a couple of garden fountains - the type with two or three scallops,
water overflows each one into the one below and with a "hidden" pump in the
bottom scallop to pump water up to the top again.

My question is about the winter - is it necessary to remove the pumps to
avoid them from being frozen or do they survive freezing?

How deep is the pond? Usually the surface freezes first - and only
in shallow ponds does the whole pond freeze solid.
--
__________
|im |yler http://timtyler.org/ Remove lock to reply.

Tumbleweed wrote or quoted:
"Bob Hobden" wrote in message
"Harry Ziman" wrote ...

My question is about the winter - is it necessary to remove the pumps to
avoid them from being frozen or do they survive freezing?

Yes it is essential to ensure they don't freeze, water expands on freezing
so they would suffer damage.

If the pump is entirely under the water, no, the pressure on all sides would
be equal assuming it did freeze that hard.

....and assuming that it freezes and defrosts on all sides simultaneously ;-)
--
__________
|im |yler http://timtyler.org/ Remove lock to reply.

"Tim Tyler" wrote in message ...
Tumbleweed wrote or quoted:
"Bob Hobden" wrote in message
"Harry Ziman" wrote ...

My question is about the winter - is it necessary to remove the pumps
to
avoid them from being frozen or do they survive freezing?

Yes it is essential to ensure they don't freeze, water expands on
freezing
so they would suffer damage.

If the pump is entirely under the water, no, the pressure on all sides
would
be equal assuming it did freeze that hard.

...and assuming that it freezes and defrosts on all sides simultaneously
;-)

I think its only the freezing that would likely do any harm in that case,
but I take your point :-)

Plus as its not a sealed unit, the expansion would almost certainly equalise
anyway, like milk bottles used to via the foil top (a) when there were milk
bottles, and (b) when there were winters cold enough to freeze milk :-)

--
Tumbleweed

email replies not necessary but to contact use;
tumbleweednews at hotmail dot com