Aqualisa Aquastream + New Combi boiler

jcoles7 · 4 Oct 2009

Hi All,

First of before anyone says, I know your not allowed a power shower connected to the mains.

What I want to know is, If the power was unplugged from the shower once my new combi boiler was installed would this shower work ok as a mixer shower. These showers do not require electric to regulate the tempreture as they have a "Thermostatic Cartridge". This would then mean I was not pumping mains water.

I have tested without any power and it seems to work ok, obviously not very powerful.

I do plan to replace this eventually but could do without the extra cost for the time being.

BR Jason

Goldberg · 4 Oct 2009

There's no problem with what you propose.

However, rather than just unplug it, it would be better to also disconnect the internal connections to the pump motor. That way even if someone makes a mistake and reconnects the supply, the pump won't run. Clearly the connections inside the shower need to be made safe, not just left dangling.

Gasman77 · 4 Oct 2009

I Disagree. I have tried this before and the mains pressure blew the internal push fit elbows from the hot and cold pipes, and it was the same shower you have! I think if you take the front case off it will say that it should have a max pressure of 1 bar! As far as I can remember

bengasman · 4 Oct 2009

Goldberg said:
...rather than just unplug it, it would be better to also disconnect the internal connections to the pump motor. That way even if someone makes a mistake and reconnects the supply, the pump won't run. Clearly the connections inside the shower need to be made safe, not just left dangling.

That is really good advice.
Simply cutting off the plug would be a damn site quicker though.

Goldberg · 4 Oct 2009

Gasman77 said:
I Disagree. I have tried this before and the mains pressure blew the internal push fit elbows from the hot and cold pipes, and it was the same shower you have! I think if you take the front case off it will say that it should have a max pressure of 1 bar! As far as I can remember

Quite right - my mistake. Sorry.

You could fit two pressure limiting devices on the inlet pipework to the shower, but there's a cost to this, and you might want to consider a mixer shower valve instead.

bengasman · 4 Oct 2009

Goldberg said:
..You could fit two pressure limiting devices on the inlet pipework to the shower...

That is a good trick. Too bad that by the time the water comes out of the mixer, you will have about 0.8 bar left.

3 bits of bad advice in 1 thread, keep it up goldborg.

Goldberg · 4 Oct 2009

bengasman said:
Simply cutting off the plug would be a damn site quicker though.

Rolling eyes? Really?

A "damn site"? How long do you think it would take me to remove an Aquastream cover, disconnect the pump, and put the cover back?

And how would you stop a future owner of the house from putting another plug on?

jcoles7 · 4 Oct 2009

Ok, not the news I was hoping for

but anyway.....

So what are the chances of finding an exposed mixer that has the pipes in the same location (width apart) as the Aquastream ??

Cutting the tiles could be a major issue as they are porcelain and to say they are difficult to cut is an understatement.

Cheer Jason

bengasman · 4 Oct 2009

Goldberg said:
bengasman said:

Simply cutting off the plug would be a damn site quicker though.

Click to expand...

Rolling eyes? Really?

Indeed.

Goldberg said:
A "damn site"? How long do you think it would take me to remove an Aquastream cover, disconnect the pump, and put the cover back?

About a hundred times longer than it takes me to cut off the plug. If you are very quick, that is.

Goldberg said:
And how would you stop a future owner of the house from putting another plug on?

In exactly the same way you stop a future owner from reconnecting the wires inside the pump.

Goldberg · 4 Oct 2009

bengasman said:
Indeed.

So if you roll your eyes at something you call good advice, what emotion do you convey when the advice is bad?

Goldberg said:
Goldberg said:

A "damn site"? How long do you think it would take me to remove an Aquastream cover, disconnect the pump, and put the cover back?

Click to expand...

About a hundred times longer than it takes me to cut off the plug. If you are very quick, that is.

I sincerely doubt that, since you need a tool to do it. But it's kind of irrelevant, since it's a poor and inadequate way of addressing the issue.

bengasman · 4 Oct 2009

Just measure and try to find one.
Or maybe find yourself a chap that can change it for you, and has all the tools and expertise to make the job neater and safe. I would wonder if I wanted to risk it as a diy project.

Goldberg · 4 Oct 2009

bengasman said:
Goldberg said:

..You could fit two pressure limiting devices on the inlet pipework to the shower...

Click to expand...

That is a good trick.

Why is it a trick?

Too bad that by the time the water comes out of the mixer, you will have about 0.8 bar left.

Why is 0.8 bar bad, if the shower is limited to an incoming pressure of 1.0 bar?

Goldberg · 4 Oct 2009

jcoles7 said:
So what are the chances of finding an exposed mixer that has the pipes in the same location (width apart) as the Aquastream ?

Zero.

Cutting the tiles could be a major issue as they are porcelain and to say they are difficult to cut is an understatement.

If the pipes are fed directly from behind, then all is not lost. You could simply drill a new hole for one of the supplies, and use an exposed mixer that would conceal the unused hole.

Clearly you need the right drill for porcelain, but that wouldn't be a huge cost.

Goldberg · 4 Oct 2009

bengasman said:
I would wonder if I wanted to risk it as a diy project.

The entire point of this site is to advise people on methods and risks when they're undertaking DIY tasks and projects.

If you're just going to be vague and negative then what's the point of you posting?

jcoles7 · 4 Oct 2009

well I will have a look around to see what I can find then.

Father in law is a builder so, he can assist. I just know these tiles are a mega pain to cut when not on the wall let alone on the wall (we did the tiling you see).

Just thinking out loud, could I replace the elbows with (johnguest type)pushfit elbows and some coper pipe ??

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Aqualisa Aquastream + New Combi boiler

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