How to mend ... Wiring Central Water

Baxi Bermuda 401 ?

having just fitted a new electrical programmer after old one kept clicking and flashing and not lighting up ce... [Read more]

hTG. and Hot water contrall. Glowarm Space Saver 60 Mk 11?

How can I wire a hot water cylinder stat?. I have pumped central htg. and Gravity hot water. The water get ver... [Read more]

How to repair digital display on a Drayton Tempus 7?

Digital display has gone blank but hot water/central heating is still working via wall thermostat. Unit has b... [Read more]

how can i fix my baxi combi 80 eco?

My Boiler keeps firing on hot water when no hot water is been drawen. The hot water DHW Pressure Differential... [Read more]

S Plan Plus System and Vaillant ecoTEC plus 831?

Vaillant ecoTEC plus 831 boiler is in and running the house heating and water. Control of heating is only by... [Read more]

wiring for sunvic 207 xls?

my sunvic programmer has 6 terminals - live, neutral and terminals 1 to 4 my central heating cable has only 5... [Read more]

Wiring instructions for Drayton LP711 replacing Danfoss 103?

I had one of these installed on Sat and ever since I have had no hot water or Central Heating, the man is comi... [Read more]

Central heating not working independantly?

Replaced room thermostat as old one damaged, replacement is Drayton Combistat, 3 wire config'. All seemed wel... [Read more]

Central Heating and Water on continuously?

New CH pump fitted a month ago by a registered plumber. Since then the Central heating and water runs continuo... [Read more]

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]

wiring on a SM905 switchmaster timer?

Could someone explain the wiring on the timer. The central heating is working fine, but when we just need the ... [Read more]

EP 2000 will only heat water on central heating ( old grey programmer appro?

Is this a programmer problem: water can now only be heated on central heating setting. do I just buy a new EP... [Read more]

problem with mid position valve? ?

I hope someone can clarify if I have diagnosed the fault that I think Ive got. A few days ago the central h... [Read more]

Baxi Bahama 100 ?? sensor problem?

Unfortunate owner of Bahama 100 which has had several problems over last few months. Replaced:- Diverter Valve... [Read more]

wiring thorn emi m44/54b To a Tempus 7?

Does anyone know how to wire a Tempus 7 timer to a thorn emi m44/54 boiler. I've got the water heating but not... [Read more]

hoe to wire in a Randall hs a3 motorised valve?

can any one supply me with a wiring diagram for the above valve please as i can only have either hot water or ... [Read more]

siemens RWB9 controller wiring connections?

I have installed an RWB9 controller and am unsure where the wires go...the old unit had links in and the new u... [Read more]

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

potterton 50el - heating but no hot water (cont.) - bump?

Hi Hi-spec, Hi Ray, Thanks again for your advice.... but i still have this problem. I have been away for... [Read more]

Trouble shooting guide required for Ravenheat 820/20 combi boiler?

Does anyone have a copy of this user manual/service guide/trouble shooter they could email me. My boiler is... [Read more]