How to mend ... Heating Boiler Circuit

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]

Ravenheat Fan Combi Boiler CSI85?

We have a Ravenheat Fan Combi Boiler CSI85 which we are having problems with. It seems to go through its cycl... [Read more]

Pipework Mix Up?

Hi there I recently relocated some pipework so that I could fit more ceiling joists to reinforce our loft conv... [Read more]

re boiler noise?

The 22ml heating circuit pipes get hot as well as few rads before the boiler sounds like a kettle about to bo... [Read more]

Baxi 105E?

When I turn on the hot water the boiler lights up but after about a minute it shuts down and then relights whe... [Read more]

glow-worm flow switch problem and leak?

i have a glow-worm swift flow 100 and two separate problems. the first is the pressure loss, it after the heat... [Read more]

Glow worm compact 100e combi - red light on when cold?

When our Glow Worm Compact 100e combi boiler is cold (i.e. first thing in the morning), the red warning lamp l... [Read more]

CB 24 Alhpa combi fault?

when the boiler is switched on the central heating runs constantly i have had the clock checked and the main c... [Read more]

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]

vokera options boiler fault ,please help?

my vokera options boiler cuts out after 10-15 seconds ,the flow pipe at the boiler gets very warm but rads not... [Read more]

Glowworm back boiler & open fire Problems with lighting & Dust?

We have had our glowworm inset bbu50 open fire and back boiler for 7 years. We have had numerous problems, 2 ... [Read more]

Potterton combi 80?

I have a pottrton combi 80 boiler. The hot water is fine. The central heating will fire up but after a coupl... [Read more]

Worcester Bosch Combi 350 Boiler keeps cutting out?

Hi there, We have the above named boiler and have had 2 WB technicians in this week to look at it and neith... [Read more]

how can i fix my boiler?

boiler is glowworm micron. has been tested electrically and no power is getting to the fan hence heating not w... [Read more]

My Potterton Prima 'F' boiler trips out on regular occasions?

My Potterton Prima 'F' boiler trips out on regular occasions - sometimes every day or maybe only every few day... [Read more]

How do I increase the water pressure in the Central Heating Circuit?

We have a Britony Combi SE Combination boiler from Chaffoteux and Maury. 2 lights are flashing, which means lo... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

PCB for worcester 35cdi mk2 rsf boiler?

Following the fault dianostics, given a fast flashing red lamp, on J flowchart in the owners manua (The fan no... [Read more]

My combi boiler wont work .... low water pressure????

Our Britony combi SE Boiler by Chaffoteaux & Maury wont switch on the fault code is saying that there is low ... [Read more]

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]