Trigger shower head for 2006 Symbol

Hi folks.
Been looking to change the shower head in my van so I can actually use the shower and use less water. I can't seem to come up with a definitive answer as to whether or not I can simply swap the shower heads over and use a trigger head type one. This to me makes sense as the water is only used when depressed and as far as I can make out keeps the temperature relatively as you had it. 
I have read somewhere you can if you have a micro switch or a switch, may be the other way round. Anyway, I'm not technical and not even sure where it's meant to be. I'm definitely not messing with electrics.
I understand if not correct it would keep the pump on when trigger head is not depressed and therefore put a strain on it. This again I'm not sure of, just comments I've gleamed off the net to make me more confused. 
Seeing as it's a new water pump I don't want to mess that up.
Could any one advise please? I have a 2006 Symbol, would a trigger shower head be compatible or not? 
Many thanks
Wendy Woo

We always use a trigger head, straight swop, no electrics involved, pump stops just the same as turning tap off.

That's what I like, a straight simple answer. Brilliant! Thank you sooo much.

You can find them on eBay, sometimes under an obscure heading as they are also used for “personal hygiene”.

Nora

Absolutely - search eBay for 'shattaf'.

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The link above is for the seller I purchased from about a year ago , the quality was good and only took about ten days to arrive less than £5 inc postage postage from China.



Geoff

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Bought one of these for £3.99 delivered (not from this supplier but the same item). Managed to find a UK supplier on the bay so came in about 5 days.
Works perfectly if you have a standard hose fitting.
Sure these have been recommended on here many times.
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OK thanks everyone for your help you've been fab. Ordered a trigger shower head last night. Now going to clean the fresh water tank down for the special occasion! 

Wendy