"philo " wrote in message
On 11/28/2014 12:34 PM, dpb wrote:
On 11/28/2014 12:25 PM, philo wrote:
On 11/28/2014 12:00 PM, HerHusband wrote:
...
We have a large pressure tank (80 gallon I believe). If the power
goes out when the tank is full, we're fine. 80 gallons will flush
a
lot of toilets. Unfortunately, the tank is rarely completely full
when the power
goes out and this last time it was nearly empty when we lost
power.
snip
Why would the tank not be full at all times?
...
Because pump will only kick on again when pressure drops to
low-pressure
setpoint...which point has, if the pressure is set corretly, emptied
about 75% of the full capacity.
Ok then. If the OP goes with the reserve tank in the attic...better take
into account the weight of water.
80 gallons would be something like 650#
And if his attic was made with trusses he probably wouldn't want that
weight on them. I wouldn't.
--
dadiOH
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