How to mend Boiler Programmer Pump

1

boiler will not turn off (only manually)glow-worm micron 80ff?

when the programmer has switched off , the boiler continues to run (until I switch it off manually) we have ch... [Read more]

1

Y Plan - Mid Position Valve 'fault'?

Hi, I have BGMVSP-23 'mid position' valve. (I believe a Y plan setup) Basically the pump only runs when ... [Read more]

2

how can i fix my boiler?

i have a baxi combi 105 HE which heats water to taps but wont heat the radiators.i have recently changed 2 rad... [Read more]

2

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]

2

What is wrong with our Potterton Profile 80E boiler?

It is about 20 years old but works very efficiently when ON. The trouble is the pump is on constantly (24/7) ... [Read more]

1

Potterton Profile 80E Starts OK on HW but not on CH?

Boiler would start (fan running for 20 seconds) but would not complete the ignition cycle. Replaced the PCB. A... [Read more]

Central heating stops after about 2hrs running?

I have an Ideal Mexico Super RS 80 boiler which seems to run the heating system for about a couple of hours wh... [Read more]

1

Problem with my Vaillant eco tech 428?

I have got a Vaillant eco tech 428 heat only boiler which has been installed to a pressurised heating system. ... [Read more]

Oil fired worcester bosch heatslave boiler not igniting?

After 3 hour power loss/low voltege (84v) boiler would not ignite. Checked fuses, ok. Pressed both reset butto... [Read more]

How do i fix a noisy baxi Bermuda back boiler?

Just recently went away on holiday turned water off, came back put water back on, and noticed no cold water co... [Read more]

1

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]

1

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]

Greenstar 12ri lockout problem?

My 12ri has been instaled for around a year and a half,in this time it has been faultless until the other day ... [Read more]

1

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]

1

wire glow warm hxi?

require wiring diagram for glow warm hxi with 2x 2port valves room stat programmer .pump fed internally from b... [Read more]

boiler sometimes doesn't ignite?

We have a Potterton Prima F and occasionally we find it hasn't come on at the programmed time in the morning. ... [Read more]

6

Why can we only get heating when hot water on also now(Dual programer)?

We recently needed to replace head valve due to pump over run problem.(Boiler is Potterton Profile) On putting... [Read more]

Should I bleed the radiators?

My radiators downstairs are not heating at all, the one next to the airing cupboard and the next one are heati... [Read more]

1

how can i fix my worcester bosch 24i rsf boiler?

in need of some help with my boiler please, i cant get ch to work unless i turn the hot tap on to let the boil... [Read more]

Hot water but no heating?

Hi i have a fully pumped two valve system which until recently has been working reasonably well, I say reasona... [Read more]