How to mend ... Pump 3 Valve

Vokera Mynute 12-48 burner not firing?

Working on a Vokera Mynute 12-48 that won't light when there is demand for heat. Have replaced thermostat but ... [Read more]

vcw gb 282 eh hot water but no heating?

hot water works fine but no heating water pressure is good. pump is working fine as well. boiler cuts off as s... [Read more]

Worcester 280 RSF Overheating, please help!?

My 280 rsf overheat thermostat trips when DHW demand is switched off after it has been on for a long time, ie ... [Read more]

Diverter valves?

C/H & H/w. What a set up!!!!. Emerging from the floor 22mm pipe which carries the pump. Continuing the 22mm... [Read more]

lp112 programmer is live and display works but is not giving an output to t?

Hi I have been asked to look at a domestic heating system, the boiler is Johnson stanley, the programmer is dr... [Read more]

Problem with hot water demand?

I have a vaillant 824 E, problem with hot water demand - boiler kicks in on start up but temperature on boiler... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

Synchronous Motors - Hot Water No CH Poterton Neataheat Profile 30e - 80e?

Hi, Further to my recent (and ongoing since Oct/Nov 2009!!) Answer/Post/update - under title; 'Hot Water Bu... [Read more]

haunting us to despair ?

I have a ravenheat rsf 84et,its been nothing but trouble since i had it fitted,It has a mind of its own, works... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

My Baxi solo 3 PFL boiler will not fire up when on central heating only ?

My Baxi solo 3 will not fire up when set to central heating only. Will fire up when set to hot water only and ... [Read more]

cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]

Pump runs when boiler satisfied?

I recently moved my central heating pump so as to give me heating for my towel rail off the primary circuit. A... [Read more]

How can I fix my Worcester oil-fired boiler?

The solenoid valve on the oil pump has failed and I want to replace the coil which I know to be open circuit. ... [Read more]

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]

ferroli optimax 25c?

no hot water turn on tap 3 way valve gos to heating and pump stops boiler gos off 03 fault .put 3 way valve to... [Read more]

High pressure and hot at both rads and water?

I have a canray 5 oil boiler. The circulation pump had ceased and has now been replaced. However I have some w... [Read more]

I have hot water overflowing into the loft expansion tank?

I had a new cylinder fitted in December 2009 and the plumber also upgraded the 3way valve to an electric one. ... [Read more]

How can I stop my Ravenheat CSI 85B tripping out?

I had a new Ravenheat CSI 85 B T installed today. It worked for the plumbers who installed it - they left and ... [Read more]

red hot water venting off?

I have a myson orion boiler and the vent id from the first floor by the divertor valve. When the system reache... [Read more]