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Kevplum wrote Haaa haa, its Doitall RIGHT ? Their opinion is the same. Well it was a few days ago on a posting where I said pipe in a new cold supply for a pump and Doitall and WS both agreed on an equalizing valve.

Kevplum wrote That dont make a lot of sense to me. :( He,s a poster on this forum RIGHT ?? Who has an alias RIGHT??.

Kevplumb wrote Who is John If I may ask ??.

megawatt wrote The GX Heat Bank for Sealed Systems To provide greater flexibility in design and installation, we developed along-side the GXV, the GX Heat Bank for a sealed systems. Where the installation will not allow the fitting of an F&E tank, the GX overcomes the problem by the...

megawatt Are you a spark ?? (not that its anything to do with your post but your name makes me think this)

I have a neighbour who diyed his own dx system in his 4 bedroom detached two storey dwelling. It seems to run efficiently and I have been told his yearly bill for the electricity to run the pump is 600 euro. Considering oil would cost double this I dont think he,s doing to...

Doitall wrote. If you have a pump with twin inlets then provide the necessary pipework to these inlets. Its not that difficult and no equalising valve needed. The OP is inexperienced by the sound of it and I doubt if he knows how to pipe in this valve. If he goes with an...

Doitall Wrote Do you mean fit no pump at all Doitall ??

MON5TER wrote Its pockets of gas arising inside a pump due to loss of suction head and may result in damage to the pump as the bubbles collapse. If cavitation and loss of suction head does occur, it can sometimes be cured by increasing the pressure in the system, either by...

MON5TER wrote See my last post. No doubt WS will have some cute answer up his sleeve.

Water Systems wrote So you effectively doubling the flowrate on the outlet side where the pipes T together. Wont the pumps cavitate like hell being fed from only one pipe on the inlet sides ??.

MON5TER wrote Can never understand why people connect the cold bath supply from the mains when the hot is gravity.

Water Systems wrote Do you mean in series through the pump ie inlet -outlet -inlet- outlet and then the equalising valve. ??

Bigburn wrote Softus wrote Its important if you want to give the correct advise which you dont seem to be capable of doing.

kevplum wrote Aaah, so the pump supplys a single cold feed of the shower only which was presumably gravity fed to the pump. So where did you fit the prv then ??.

without knowing what type of system the OP has and then wrote Really. Can you point to where I have made an assumption that the OP has a cistern of sufficient capacity. ???? YOU on the other hand advised the use of a prv without even asking if the OP has a cistern.

kevplumb wrote Can you explain further ? Was one side of the electric shower (ie cold side) fed from the mains and the other (ie hot side) from the pump which the customer already had. ?

Softus wrote Why assume the OP has no break tank as in a cold water cistern in his loft ?. If his hot water is gravity then where is it fed from?. ++++++++++++++++++++++++++++++++++++ And anyway Softus have you ever piped a system up in the manner in which you are suggesting and...

You would be better off changing the mains over to gravity as well and use the pump as per design. Your going to have a pressure imbalance using the pump in conjuction with the mains which I dont think is a good idea.

Softus wrote I dont think that. That info is written in the link I provided though it doesnt give precise details on any statutory legislation regarding distinction of products that I am aware off.