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Hello All, Happy NEW !!!!!!!!! I hope this years is a prosperous and heathly and wealthy one fro you all. I attended a boiler break down today . it was a Vaillant ectoTech PLus 624. When i arrived I found the boiler would not remain on. this was indicated by a constat on/off of the...

There is 1- one manual cylinder stat 2- one two port vavle (on the CH) 3- one pump on CH secondary circuit _connected electrically to boiler 4- the boiler is the potterton profile which has a 4 core leading to the programmer 5- the black one is a switchd live, the others mains E,N,L I...

Hello, this is one for those who know their wiring. Exisitng System is Potterton Profile Boiler External CH pump Honey Well Two Port Valve Danfoss 102 Mechnical Clock. CUstomer asked me to change the Danfoss 102 with model with CONSTANT override. I confirmed with Danfoss...

I can see my connections in the first instance were correct but i see my terminology was incorrect. Thats where the confusion from the Honey Well diagram comes in to play. Can any one explain to me in a basic sense and in a general term what is the difference between the live and neutral...

OKay so i was right then!!!!! thanks guys thanks very much I off to wire it up. now where did i put that multi meter :)

OKay, BT = boiler terminal ST = stat terminal Assumption 1- the existing dead short between BT3 & 4 is required inorder for the boiler to produce central heating. 2- Vaillant installation manual correctly states "if external controls are used, this link must be removed, and the control...

Hello Fellas, Hope some one can help me just a tad. I know I am so close but some time I cant see the wood for the trees. links for diagrams stat http://content.honeywell.com/uk/homes/Catalogue/Heating%20Controls/2.17%20T6360.pdf boiler (go to page 27)...