Hello everyone,
We have decided to install a pool and want an automatic water refill system as well. This means we need water supply in our outdoor storage area, where the pool equipment and irrigation control will be located. Of course, we didn’t consider this during planning and construction, as the desire for a pool and automatic irrigation came much later. Anyway.
The outdoor storage is part of the house but is outside the thermal envelope and has no direct access from the house. Now the question is how to get the water connection into the outdoor storage. We would definitely install a backflow preventer. There are basically two options:
1) The pool installer suggested running an additional cold water line from the utility room on the opposite side of the house into the outdoor storage. We could tap off from there. However, this would require a core drill through the concrete wall and insulation, which I would prefer to avoid. The pool installer says this would pose no problem if the drill hole is properly foamed/sealed afterwards. So neither thermal nor sound insulation should be affected, especially since the outdoor storage already has a door and is otherwise tight.
2) I’ve only recently considered this option. We already have a frost-free outdoor faucet at the front. Would it theoretically be possible to modify this faucet or run a line from it through the garden and the front, uninsulated wall of the outdoor storage to supply the equipment? Or is this not advisable or feasible for some reason? The missing outdoor faucet could potentially be replaced by a water outlet if this works out.
What do the experts say? Is the solution with the additional line harmless and cleaner? Or am I risking creating a hole that wouldn’t be necessary otherwise?
Best regards
We have decided to install a pool and want an automatic water refill system as well. This means we need water supply in our outdoor storage area, where the pool equipment and irrigation control will be located. Of course, we didn’t consider this during planning and construction, as the desire for a pool and automatic irrigation came much later. Anyway.
The outdoor storage is part of the house but is outside the thermal envelope and has no direct access from the house. Now the question is how to get the water connection into the outdoor storage. We would definitely install a backflow preventer. There are basically two options:
1) The pool installer suggested running an additional cold water line from the utility room on the opposite side of the house into the outdoor storage. We could tap off from there. However, this would require a core drill through the concrete wall and insulation, which I would prefer to avoid. The pool installer says this would pose no problem if the drill hole is properly foamed/sealed afterwards. So neither thermal nor sound insulation should be affected, especially since the outdoor storage already has a door and is otherwise tight.
2) I’ve only recently considered this option. We already have a frost-free outdoor faucet at the front. Would it theoretically be possible to modify this faucet or run a line from it through the garden and the front, uninsulated wall of the outdoor storage to supply the equipment? Or is this not advisable or feasible for some reason? The missing outdoor faucet could potentially be replaced by a water outlet if this works out.
What do the experts say? Is the solution with the additional line harmless and cleaner? Or am I risking creating a hole that wouldn’t be necessary otherwise?
Best regards
@rick2018: You are the only person I know who has a Graf shallow groundwater tank (as far as I remember). Have you ever had to clean your cistern? After one year, we have sludge build-up and it smells bad. So something definitely needs to be done. However, how to properly clean (or have it cleaned) is a mystery to me. Even Graf themselves don’t clearly explain what really works well. And I definitely don’t want to just go down there because of the gases and ventilation.
We don’t have the flat tank version.
Which filter did you install? We have the rather fine one with a flushing function, so there is very little contamination in the tank.
Our pump can handle dirtier water as well. But there isn’t much debris when I check my filter after the pump.
With the right filter at the inlet, you hardly ever need to clean the cistern.
Maybe it’s possible with a pool robot with a coarse filter?
Otherwise, a small compressed air tank and a pond vacuum. I wouldn’t do it without aeration either.
Which filter did you install? We have the rather fine one with a flushing function, so there is very little contamination in the tank.
Our pump can handle dirtier water as well. But there isn’t much debris when I check my filter after the pump.
With the right filter at the inlet, you hardly ever need to clean the cistern.
Maybe it’s possible with a pool robot with a coarse filter?
Otherwise, a small compressed air tank and a pond vacuum. I wouldn’t do it without aeration either.
rick2018 schrieb:
We don’t have the flat tank version.
Which filter did you install? We have the rather fine one with a backwash function, so there’s very little contamination in the tank.
Our pump can also handle dirtier water, but not much gets in if I look at my filter after the pump.
With the right filter on the inlet, you almost never have to clean the cistern.
Maybe it could work with a pool cleaner with a coarse filter?
Otherwise, a small compressed air cylinder and a pond vacuum. I wouldn’t do it without aeration either. We only have the standard filter basket. But unfortunately, there was no filter installed for quite a long time during construction. I regret not mentioning that earlier. The pool cleaner idea might actually be worth trying.
I’ve also seen the fine filter, but I’m not sure if I can install it. We already have some difficulty accessing the bottom because the riser shaft was extended.
Do you mean working down there yourself using compressed air?
No, I meant a small diving cylinder.
But try using a pool cleaner if you have one. With a coarse filter so it doesn’t get full after just a minute...
We also have an extended manhole. It works fine, just a bit tricky to install. The filter is great, especially with the backwash function.
We’re currently installing one for friends along with a 15000-liter (4000-gallon) flat tank.
But try using a pool cleaner if you have one. With a coarse filter so it doesn’t get full after just a minute...
We also have an extended manhole. It works fine, just a bit tricky to install. The filter is great, especially with the backwash function.
We’re currently installing one for friends along with a 15000-liter (4000-gallon) flat tank.
I wouldn’t know off the top of my head how to connect the filter. Because we have the following setup: We have this red inlet where the filter basket is. Directly below the rainwater inlet is the siphon, and 90° further on is the emergency overflow. Or am I missing something?
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