How to mend ... Circuit Boiler Thermostat

Baxi Solo 3 heats water but not CH?

My 5 year-old Baxi Solo 3 CH circuit has just packed up, although the water heating is fine. The CH is control... [Read more]

I have a Honeywell CF wall mounted programmable thermostat thats gone rouge?

My programmer seems to have a mind of its own. It is switching the heating on much earlier than the programmed... [Read more]

Baxi Combi Instant 105e hot water works but no heating?!?

Hi I have a Baxi Combi Instant 105e. The hot water preheat function works, and so does the normal hot wa... [Read more]

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]

Hot water no heating ?

I have a ravenheat combi boilers and I wonder if you could give me some help , I have recently removed one of ... [Read more]

Why is my heating not working ?

Vaillant 628 thermocompact boiler ( sealed pressurised system) Drayton 5/2 timer for heating and water + Pott... [Read more]

How can I fix a Housewarmer 45 Legend Gas Boiler/Fire unit?

My gas boiler consists of one pilot and one main gas valve, a control box, and a thermostat. When the boile... [Read more]

Worcester 28 CDI - Fires up but no flame light?

We have a worcester 28 CDI boiler and have had an ongoing problem. If we turn up the thermostat or demanding ... [Read more]

Micron 80FF--how to fix?

boiler 7years old. Circuit board, thermistor, Gas valve, thermostat and air pressure switch have been replaced... [Read more]

potterton profile 50 e problem?

Hi need some help, i have a potterton profilr 50e boiler it works fine from cold but once it has heated the wa... [Read more]

How to repair my baxi solo wm40/4pf boiler?

I recently replaced the room thermostat for a new digital stat. thinking there was only 2 wires and a earth wi... [Read more]

Ferroli Modena 80E boiler is heating water outwith timer periods?

Ferroli Modena 80E boiler, about 7 years old. Various problems being encountered over the last 6 months: N... [Read more]

What is wrong with my Ferroli Modena 102?

I'm having a pilot flame problem with my boiler. For the last month I have noticed that the pilot light and fl... [Read more]

circuit diagram for stat and programmer?

has anyone got the circuit diagram for vokera compact combi boiler. the programmer and thermostat connections

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]

how to mend Gas Boiler, Glow-worm Fuel Saver 100F with SIT control?

Thermostat has intermitant fault ie it stays open circuit and does not allow boiler to re-light. Main gas valv... [Read more]

Problem with my Potterton Profile 60e?

My 60e tries to come on and it sounds like the burners are about to fire up but they don't. the boiler switche... [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]

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]

Potterton Puma 80e pilot light slow to stay on?

Dear All, recently I've found that after running a bath the pilot light goes out and when trying to relight... [Read more]