How to mend ... P C B Unit

Replacement of elements?

how to replace heater elements in a enviwarm unit

Drayton Digistat+2 RF?

Drayton Iflo Digistat +2 RF thermostat shows error E16 when powered up after fitting new batteries. I believe... [Read more]

How can I mend my Heat Surge Unit Model #X5A?

My Heat Surge unit Model X5A comes on for heat and then turns off the heat, while the blower and other compon... [Read more]

Unexplained noises?

Good day, I have been experiencing a problem with my domestic heating system. There are occasions when the sy... [Read more]

Vaillant condensing boiler ecoTEC plus?

The boiler stopped working and showed fault F22 dry fire. I changed the 3 amp fuse in the electric switch and ... [Read more]

Error code E82?

My vokera wall unit showing E82? I’ve changed the batteries still showing What do I do

Schematic diagram for Potterton 407677 control unit?

I am having problems with the control unit (407677) in my 22 year old Potterton Profile 80e boiler. Does anyo... [Read more]

How do I find the serial number on a Pensotti DK-2 boiler?

I need to fill out the warranty paperwork and I need the serial number off the unit. Where do I find that?

Saunier Duval Isofast condens F35E....nothing working?

I have been on holiday and turned the boiler off at the mains, on returning turned it on and the remote said R... [Read more]

drayton digistatrf1 wireless system?

Changed batteries in wall control how do you reset system as fault light is showing on receiver at boiler unit

Flow unit Green star 30 cdi?

How to replace a leaking flow unit with new kit ???

Is a Boss BR1 compatible with any other brand?

I have a worcester Greenstar 37cdi boiler with a BOSS Therm BPS 242RF programmable timer. The timer unit itsel... [Read more]

I have moved into a flat am dissabled carnt get heating on unit flashing F1?

Heating was working yesterday but now it's it I'm in great places flat as of 15-12-16, done what it says to do... [Read more]

No triangle symbol on wall unit?

I recently changed the batteries in the wall unit, all seemed ok apart from the triangle symbol is not display... [Read more]

What's wrong with my Randall 102 timer unit, stopped working?

Unit was on water only for 2 weeks, switched back to water and heating and the dial is not turning around ther... [Read more]

How do I restart my controller ?

I have replaced the batteries in my Rev 24 heating controller and now the LCD is blank and the unit wont switc... [Read more]

Digistat +2 RF thermostat dead ?

Our Digistat +2 RF thermostat is dead. A well-meaning friend who was flat-sitting put new batteries in ba... [Read more]

How can I solve the intermittent fault on my potterton profile 40e?

Once started up the boiler runs ok until it is shut down by the time switch or the room thermostat. When the t... [Read more]

Installation instructions for Ferroli 30800009?

I have bought a Ferroli Radio Thermostat Clock (Part No. 30800009) to fit to my Ferroli Optimax HE Plus 31C. I... [Read more]

my rdh10rf siemans thermostat will not send signal to my boiler. ?

Both the wall unit and the wireless control panel are on and all the lights are on but it is not communicating... [Read more]