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boiler

Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

Recent contents View information Top users
  1. C

    Most effective way to use a Fusion Comet electric boiler

    I'm new to a house with a Fusion Comet electric boiler. I've moved to an off peak tariff to heat the water at night but I'm trying to find out if I can use the surplus heat from the hot water tank to supply the central heating during the day? When I switch on the CH will it automatically heat...
  2. R

    DT20 room on DT11 system - would this work?

    I have an existing customer with a room in which the existing radiator is of sufficient output, but there are French doors and it really needs some heat on each side of them to avoid a cold area on one side. We have established (by experiment with a small oil-filled radiator) that adding even a...
  3. GrumpyGrampa

    Combi Boiler/Unvented system Isolation

    Morning, I'm not a plumber but keen DIYer. Couple of pieces of advice would be great. (1) I've been trying to get my head round combi boilers - specifically how to isolate before renewing a tap or whatever. Is there a schematic that shows where to isolate? Pictures, a web site I could learn...
  4. P

    What is this on my boiler? Driving me mad

    ratedposts.tumblr.com/post/789436718581465088/share Please check images. That light has only just started showing and I didn't know it was there before. Please help.
  5. B

    My boiler doesn't ignite.

    When there is a demand for either heating or DHW the pump works but the boiler (Potterton Netaheat Profile 40e) doesn't ignite. The system had a new programmer, room thermostat and Y-valve 5 years ago. The boiler is 34 years old. Any ideas? If it's a cheap fix I'll do it but I'm thinking it's...
  6. A

    Combi boiler as replacement for gravity fed boiler

    Hi, our plumber wants to replace our gravity-fed system with a combi boiler. The taps for the bath etc and the showers are all low pressure (0.1 bar) devices. Will the change of boiler to a combi cause us issues with the these?
  7. S

    Glow Worm Compact 100PP - boiler turns off when central heating is on and hot tap then turned on - a long running saga!

    Dear boiler engineers and forum viewers, and ideally an old school former Glow Worm engineer or three, An odd conundrum. I have an old Glow Worm Compact 100PP permanent pilot condensing boiler. It was fitted to my house back in 2001, and it was moved to an upstairs cupboard in 2006 when an...
  8. L

    No independent SL running from Hot Water Cylinder to Boiler

    Hi, Got a new boiler recently and was thinking of getting the plumber back to add weather compensation (it's an Ideal Logic Vogue). However, I think I have a problem as the SL for hot water cylinder, which is on floor 2, and the SL for the CH zone for floor 2, are connected together in a mini...
  9. N

    Boiler won't fire up when heating activated but does with hot water.

    I have a worcester greenstar camray utility 12/18 oil boiler paired with Potterton EP2 programmer. When heating is activated the boiler won't fire up but does fire up when hot water is activated. I have got around this problem by locking open the honeywell motorized valve so as when the hot...
  10. T

    Ideal Logic Heat-only boiler: F 0d Error code

    Ideal Logic Heat-only boiler: F 0d Error code What does it mean and how to remove the issuesthat is causing the fault.
  11. S

    Hot tub boiler setup

    Hi all. So I have an inflatable hot tub circa 1000ltrs which I bought an LPG (Cavan style) boiler and made it into a heating system for the tub which worked great. I have a pump that draws water from the hot tub and pushes it through the boiler and then returns it to the HT. The garden is...
  12. T

    UK No heating downstairs combi boiler

    At my sons house, had 2 radiators downstairs that would never heat up, so thinking that the locks held valve was down, today we replaced the valves, but still got the same issue. He has a glowworm ultracom cxi combi boiler, upstairs gets hot quite quickly, we have bled all radiators, and tried...
  13. L

    Fanned Flue Gas Boiler Mini C24 no hot water to bath tap

    Hello, my friend has just moved into a rental and I am helping them get set up. They have a Fanned Flue Gas Boiler Mini C24, central heating fine, hot taps seem fine, but cannot get the bath tap to run consistently. The instructions on the boiler say to turn to one symbol for HOT WATER ONLY...
  14. F

    Boiler pressure

    Hi all, Is it normal to have to top the boiler up 0.2 bar every 4mths? Thanks
  15. C

    Advice after new boiler and flue installed dont feel safe

    I had new boiler and flue fitted the flue runs through my daughter room, my old flue was box in and i only lost a little of ceiling. The gas Engineer has screwed new flue under the boxing hasnt even tried to cut old boxing or even remove old flue pipe he has put new hole from inside to outside...
  16. C

    Is a boiler flue hole inside ok to be left unsealed

    I had new boiler and flue fitted the flue runs through my daughter room, my old flue was box in and i only lost a little of ceiling. The gas Engineer has screwed new flue under the boxing hasnt even tried to cut old boxing or even remove old flue pipe he has put new hole from inside to outside...
  17. T

    Combo boiler heating when thermostat is off

    Combo boiler heating on when off issue I have an Oil Firebird 70 Combi boiler. When the thermostat is off, the rads warm up (upstairs mostly) whenever I turn on hot water tap or whenever the boiler comes on periodically to keep its internal water reservoir hot (for instant hot water). I’ve...
  18. Admin

    Does your boiler make a vibrating, whistling, humming noise?

    Is your boiler making vibrating noise like kettle?, boiler making whistling noise? boiler making humming noise? boiler making load rumbling noise? boiler making gurgling noise? You need to get a forum member in to service your boiler. Reply to this thread with your county and we will put the...
  19. A

    vokera boiler (fault code A02 )

    do i need to drain system for replacing a high limit thermostat on vokera boiler (fault code A02 )
  20. U

    Weather compensation, low boiler flow temp & bacteria

    Hi all, I've been adjusting our combi boilers flow temperature based on outside temperature. A sort of manual weather compensation. The weather compensation curves you find go through the whole flow temp range e.g. 30-60C+ what are the risks of bacterial growth below 60C? How are people with...

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