Recent content by thomooseg

After a discussion with the wife, we are just going to call a heating engineer (or three of them) and get quoted to update the system. We know it needs updating and our offer on the house was based on costing in a new boiler and radiators so we may as well do it now rather than wait. I am...

The Randal 103 controls the DHW & HTG at the same time so unless the heating is on I get no hot water. There is no setting to turn on DHW only like you get on the Randal 102. If I want hot water when the heating is off I have to turn on the immersion and the hot water tank is in the loft...

Why not?

Hi, Sorry for not coming back sooner but have been out for the day. In reply to your question, I have no idea what the extra wires are for but I have a plan. I have had a look at the Boiler Control Box Wiring and currently it goes like this: Boiler to Pump: Live from 7 Neutral from...

Hi doitall, Thanks for the quick reply. The boiler is a The boiler is a Glow Worm Fuel Saver MKII.

I have just moved house and the central heating system is a bit ancient and looking to change it. The boiler is a Glow Worm Fuel Saver MKII with a Randal 103 and wired thermostat on the landing. Can the Randall 103 that currently runs the system be replaced with a Honeywell CM927? In my old...