How to mend ... Ch Set Off

How can I fix my actuator?

I suspect that the actuator on the motorised valve (BGMVSP-23, aka Drayton MA1) is broken and would appreciate... [Read more]

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]

radiator problem with powermax he?

The radiators get hot when the ch. is turned on or off with the roomstat set low but the dhw. is turned on. W... [Read more]

Burner fires up and CH comes on, even though not selected at switch ?

Having been impressed with the diaphragm solution I was given here in 2010, I have another problem now with my... [Read more]

Boiler set for DHW only,but CH also comes on Ferroli optima 1001?

The boiler is set for DHW only, recently even when hot water is not on demand , boiler switches itself on for ... [Read more]

Potterton FSB HE 30 new July 2009?

Have a howling noise after firing up of boiler. Have had 4 visits from BG...1 new fan fitted, no joy. Also on ... [Read more]

ideal isarhe24 dhw works ch doesnt ?

i turn boiler off at night &back on a.m thermo set to manual. pressure between 2&3

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]

Ferroli optimax he 38 c filling kit connections?

I topped up the water on my boiler, but think I have moved one or more of the other 3 "taps" that make up the ... [Read more]

how do I get ch to start heating?

System:potterton kingfisher2; drayton digistat RF and potterton EP2000 controller connected via a Salamander b... [Read more]

Worcester Greenstar 24i junior: doesn't work!?

Hi I've just moved into a new property, the boiler is only about 2 years old; when I moved into this house th... [Read more]

What should I do about Potterton EP2000 programmer?

This has been perfect for the last 19 years. The HW is still perfect. The CH has developed the following fault... [Read more]

Boiler cuts out when CH set to on?

I have a potterton system with a 2002 timing controler and a PT2 remote electronic thermostat. If the system i... [Read more]

how can i fix my timer & selector switches on my Thorn EMI M30/42B boiler?

I have a Thorn EMI freestanding boiler model number M30/42B and the Timer Switch does not move or set any time... [Read more]

can anybody help turn on my heating?

my boilers turned on but the programmer just has dashes on it tried everything to get it on, including leaving... [Read more]

GlowWorm 24ci boiler high pressure fault?

With the boiler left on, i.e. no demand for DHW or CH, the pressure will remain constant, set at 1.0 bar. Whe... [Read more]

ch will not operate. hot water no problem?

hot water no problem ch not operating room stat set at 30C 3 port valve opened manually ch on overide ch ... [Read more]

potterton EP2000 (old brown one) problem - CH always on ???

I have a Potterton EP2000 - problem is when i try to put the HW slider on any setting i.e twice/ once/ 24hrs, ... [Read more]

Netaheat Profile 80e not lighting when call for heat?

I have a 20 year old Potterton Netaheat Profile 80e. Boiler heating water OK all summer. Wanted CH on today ... [Read more]

Vokera Linea Max - hot cycling after re pressurising expansion vessel?

I have re pressurised the expansion vessel to 12psi having isolated and drained the boiler. The vessel now hol... [Read more]