[SunShineCleaning]

Mentioned on another thread, can someone provide a link to one they use please.

[Ian Sheppard]

What is it you are trying to do? Are you looking to measure voltage or control the pump?

[SunShineCleaning]

Control the pump, someone said they used one instead of varistream.

[SunShineCleaning]

Thanks, the portable pump is now built into a waterproof casing with a controller on it now, I have a more detailed tour of the van on my youtube, Yer with a small van you are limited for space and have to make the most of it.
Glad that's it given u some ideas and helps your working time easier!

Stay away from any type of flow controller. If you don't already use one, all you need is a £10 voltage regulator from maplins. It weighs nothing, is small, easy to fit and simple to use and does the job perfectly. If it packs up, you disconnect the two wires and join them together and carry on working plus all it has cost you is a tenner.

Like this

[gto]

you don't want a voltage regulator, you want a speed controller.

[Ian Sheppard]

The Switch available from Maplins is an AC switch as such designed for 240V. The high rating could cause cables to overheat and with out a fuse burn out. If you are looking at controlling the pump you would be better off with designed for purpose controller. As well as digital versions there are also analogue controllers both will regulate the speed of the pump and reduce the current draw from the battery

[Dave Willis]

and control the pressure 

[GoodFella2006]

Try this.

[rosskesava]

The Switch available from Maplins is an AC switch as such designed for 240V. The high rating could cause cables to overheat and with out a fuse burn out. If you are looking at controlling the pump you would be better off with designed for purpose controller. As well as digital versions there are also analogue controllers both will regulate the speed of the pump and reduce the current draw from the battery

I've been using it for 18 months with absolutely no problems at all. The cable I use is rated for 240V 13 amps anyway so it won't overheat /catch fire/etc. I'm also sure it wasn't for AC but to be honest, I can't really remember, but I do remember looking at the ratings of the various regulators and picking one that was suitable.

Unfortunately, I can't find it on the maplins website so I can't post a link.

[rosskesava]

Try this.

Just seen that posting above. What I bought was one of the ones in the silver boxes but which one? Dunno? They've also gone up in price as they were all between about £8 and £15.

[Ian Sheppard]

Each to their own. You have a switch and cable rated for 13 amps and a pump rated at 7amps. If the current draw spikes for some reason, you are going to have problems with the pump.

A controller properly rated for a DC system is going to protect far better than a 240V AC switch

[rosskesava]

Each to their own. You have a switch and cable rated for 13 amps and a pump rated at 7amps. If the current draw spikes for some reason, you are going to have problems with the pump.

A controller properly rated for a DC system is going to protect far better than a 240V AC switch

The one I have, as I've just gone and had a look, is for motors rated up to 24 amps and voltages between 10 and 24 volts DC. It is not an 240V AC switch.

Also, the ones listed on the link are for DC and not for AC and are for 12V not 240V.

[SunShineCleaning]

Could you take a photo for us?

[rosskesava]

Could you take a photo for us?

I assume you mean of my 12V voltage regulator for a DC motor that can be bought from maplins who also provide all the specs.

I don't see what that would achieve other than to show I actually have one and use it. If that's the case, then just say so.

If I'm wrong, then the answer is no because all I'd be taking is a picture of is something that looks like one of the voltage regulators in the maplins link.

A 12V voltage regulator for a pump motor is hardly rocket science. It's not state of the arts electronics and it's hardly cutting edge stuff that requires a degree in electronics.

[rosskesava]

Oops. Der........

I've just realised the link was for ebay, not maplins. I didn't look at the top of the page just the pictures and the specs and I assumed it was a link for maplins.

Maplins sell the same type of stuff.

[SunShineCleaning]

Thanks for your reply Rosskesava. I hope it didn't sound like I was doubting you as I wasn't. I just wanted to check I was looking at the same as you have. If it works for you and others I cant see how it would not work for me.
I have seen both voltage regulators and speed restrictors for 12v motors and will be visiting Maplins today and fancy trying one out. As long as the pressure switch is still on the pump I assume it will work.

[rosskesava]

Thanks for your reply Rosskesava. I hope it didn't sound like I was doubting you as I wasn't. I just wanted to check I was looking at the same as you have. If it works for you and others I cant see how it would not work for me.
I have seen both voltage regulators and speed restrictors for 12v motors and will be visiting Maplins today and fancy trying one out. As long as the pressure switch is still on the pump I assume it will work.

Sorry, my mistake, I should have asked why you wanted a picture and yup, the pressure switch will still work.

[lee_dewing]

Hi  sunshine cleanining, is this what you mean?

I used one on the older wcw backpack worked well on there as a flow regulator, act like a dimmer light switch by +/-  power from battery.

Don't know who it would preform on more powerful amp-ige
battery on bkpack was 12v 9amps.
hope this helps Lee.
http://cpc.farnell.com/1/1/17107-regulator-module-6-15v-dc-919d2p-mfa.html

[SunShineCleaning]

I wonder why the varistream costs so much if the regulator is less than £20?

[lee_dewing]

oopps just see 3amps limit

Maybe they have something else.

or
http://www.gardinerpolesystems.co.uk/acatalog/1-2-inch-push-fit-in-line-valve.html

something like this near brush head would slow water flow (right size?)
They do hozlelock fitting with tap.
Sorry if i'm barking up the wrong tree
Lee