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Does anybody know where the extension bars online are, which you have to pull the little sleeve back at the top of the bar to put the drill bit in, then you let it go and it the drill bit is locked in place? I tried using the ones where u have two little Screws and you tighten it with an...

I understand that so on the return on both circuits do they join back up before they get connected to boiler is that correct yea?

I understand that so on the return on both circuits do they join back up before they get connected to boiler is that correct yea?

I understand that so on the return on both circuits do they join back up before they get connected to boiler is that correct yea?

ah so the cylinder coil is the HW yea? when the hw is on the water is fed directly to coil yea?

ah so the cylinder coil is the HW yea? when the hw is on the water is fed directly to coil yea?

yea so the hot out pipe goes to the first valve, and splits to second valve yea?and then they both go to the rads and the tank coil yea? and on the return do they join back up together is this correct?

ah so the cylinder coil is the HW yea? when the hw is on the water is fed directly to coil yea?

sorry folks for all this, so from the beginning the HW is switched on yea, this will open the HW valve which then goes where??? does it go to some other valve to get the Coil? and when the CH is switched on does it heat up the coil at the same when CH is switched on I just dont know...

yea i understand that, but i thought that the coil inside the cylinder is part of the CH system and not the HW system how can the HW cylinder heat up if the coil is on CH side?

We only have to valves though so where would that 2-port valve be? ok so when the HW switch is on and the CH is off does the water get heated up by the coil, but this is done by a 2port valve yea?

yea we have two motorized marked CH and HW, but when the HW is the only switched on does the coil which is part of the CH system does it get switched on to heat the tank up or what? I dont know how it works like could somebody explain please thanks.

Hello, We just got a new heating system installed, its called a sealed system i think?? but we have to valves marked "CH" and "HW" but in the hot water tank in the cupboard is only a coil inside the tank i assume is it? what does the "HW" switch on the programmer do when it is switched on...

Becuase when the live or neutral touches the earth or a fault occurs to earth it will always flow to earth so it doesnt matter if the earth bar is just one whole bar because no Matter what happens the fault will go to earth anyways? Is that correct?

Yea I know it's the place the fault current would flow If either live or neutral was to short out with earth, it would flow straight to earth and this is why the bar doesn't have to be split?!?

Ah right I see and when a fault occurs on either side of the rcd it always goes straight to earth, hence why it's just one whole bar yea??!?

So when a fault occurs it doesn't matter when it flows to earth as that is Where all faults go when a Circuit is under fault conditions is that why It's one bar?

Why i want to Know is because I am just curious, and the rcd monitors The live and neutral conductors if there is a imballance due to a short circuit it will trip. Now can you help me?

Eh yea I do just want to know why the earth bar Isn't split as well like? Please

Yea i understand that, but can somebody explain why the earth bar is not split like the neural bar? Thanks